My palm treasure --- Narita GL20 laser instructions USB direct charge key lamp evaluation experience report
Presumably everyone has their own favorite gadgets and small objects. Whether they are turquoise bracelets, or Xingyue Bodhi, to 108 pieces of Thuja, we all have plates and plates. What I would like to say today is one of the palm power treasures that I carry with me. It is the Nagle's GL20 laser-indicating USB direct-charged key light. It is cute, portable, and very practical. It is with me on the construction site. Fighting, dark room, for me to illuminate; dark hole ditch, prompting me to spend safely. This GL20 laser indicates the opportunity of evaluating USB direct charge key lamps. I am very grateful to the equipment-cool (http://) and Guangdong Narada Mobile Lighting Co., Ltd. for their trust and support. (Figure 1)
First, brand introduction
Narendra, a global leader in professional mobile lighting, is committed to providing more professional mobile lighting equipment for military and police law enforcement, hunting enthusiasts and professional outdoor enthusiasts.
(Figure II)
Second, single product sense
Light source: Nichia LED
Battery: Built-in rechargeable lithium-ion battery
Brightness: 4 lumens/60 lumens/strobe/laser (0.9mW)
Life time: 10 hours / 1 hour / - / 10 hours
Irradiation distance: 19 meters
Waterproof rating: IPX-4
Anti-fall height: 1 meter
Material: ABS+TPR
Size: 60.3 mm (length) × 33 mm (width) × 11.5 mm (height)
Weight: 16.3 grams (with battery)
Color: Available in green, gray, khaki
Waterproof rating: IPX-4 (The waterproof rating of electronic measuring instruments reflects the ability of the instrument to prevent moisture and dust, especially for outdoor activities, in the harsh environment of high humidity or dust, the instrument's sealing and waterproof capacity It is of utmost importance to ensure the safe operation and longevity of the instrument.To this end, the IEC 529 standard has been internationally developed. In order to adapt to this, the Japanese industry standard classifies the waterproof protection of electronic instruments into 10 levels, which are IPX1, IPX2... Shown.) Splashproof - No harmful effects from water splashes in any direction. The above information is quoted from network data. Please refer to the test for water resistance type. (Figure 3)
GL20 Laser Indicating USB Direct Charge Key Light: Through the transparent packaging box, one can see the key light of khaki ketone body. The illustration of the key light in English is printed on the packing box, but the use environment and technical parameters can also be understood through the drawing. And so on, we will not go into details here. Please refer to the box for details. (Figure 4) 
GL20 Laser Indicating USB Direct Charging Key Lamp: The lamp body is made of ABS+TPR material. After consulting ABS material, namely acrylonitrile-styrene-butadiene copolymer, it is one of the five synthetic resins; TPR material is thermoplastic rubber material, It is a type of thermoplastic soft rubber that can be directly processed and formed without rubber vulcanization. These two kinds of materials have the characteristics of impact resistance, heat resistance, low temperature resistance, chemical resistance and electrical properties. They also have the characteristics of easy processing, stable product dimensions, and good surface gloss. They are easy to apply and color. . Widely used in electronic appliances, instruments and meters, is a very versatile thermoplastic engineering plastics. (Figure 5)
GL20 Laser Direct Indication USB Direct Charge Key Light: Uses two Nichia 5mm LEDs, one middle is surrounded by a copper tube, and a laser module (Light Emitting Diode) is combined to form a straight line, the light is soft and uniform, and the palm is playing like Treasures. (Figure 6)
GL20 Laser Direct Indication USB Direct Charge Key Light: The power supply is a built-in rechargeable lithium-ion battery, although the standard charging cable, but the USB interface has been popular, so do not worry about the charge of the key lamp. (Figure 7)
The GL20 laser indicates the USB direct charge key light: It also comes standard with a small quick hanging, can fast connect the bottom aluminum keyhole, hanging on the key, portable. (Figure 8)
Third, the actual evaluation
GL20 Laser Direct Indication USB Direct Charge Key Light: Waterproof Test - The cap lamp waterproof rating is IPX4, simulate the rain weather, directly under the tap, is not afraid to soak in the water, still lit, for your escort outdoors, travel, No loss of electricity, power outages occur. (Figure 9)
GL20 Laser Indicating USB Direct Charge Key Light: The light source adopts Nichia 5mm LED lamp bead, and the third gear illumination mode - highlight, low light, and SOS flash can not be less. Open order is open
Highlight - 60 lumens for 1 hour
Low light - 4 lumens for 10 hours
Strobe (SOS) - Off (Figure 10)
GL20 Laser Indicating USB Direct Charge Key Light: The laser indicator is a red (λ=650~660nm, 635nm) light source (λ is read as lambda, which means the wavelength of the light) and the power is 0.9mW, in the gallery (some The painting is afraid of light), zoos, etc. should not be used; improper use of the laser pen may cause damage to the retina, and even blindness, especially suggest that children should not use. (Figure 11)
GL20 Laser Indicating USB Direct Charge Key Light: It is a multi-purpose light that can be clipped onto a variety of loading platforms such as backpack webbing and shoulder straps. (Figure 12)
The GL20 laser indicates the USB direct charge key light: it can meet more lighting needs of daily life and outdoor activities, making the use of light more simple and interesting, and making travel more comfortable and light (Figure 13) 
Fourth, evaluation review
1, GL20 laser instructions USB direct charge key light: It is a compact, lightweight, suitable for carrying, anytime, anywhere to provide lighting, direction.
2, GL20 laser instructions USB direct charge key light: USB charging test lamp body buckle is not tight, there are gaps, there are bubbles from the gap in the waterproof test. On the other side, the lamp body is pressed tightly and seamlessly. (Figure 14)
This test is rated as a true and reliable personal experience experience, and does not explain those who have intuitive meaning. In addition, the above measurement images are different because of the equipment, location, environment, and light, etc., but all of them are real shots of the product.
Kids Functional Desk and Chair Set, Height Adjustable Children School Study Desk with Tilt Desktop, Bookstand, LED Light, Metal Hook and Storage Drawer for Boys Girls (Pink)
Safe and Durable Construction: igrow Study Desk And Chair Set features a high-quality desktop,and legs constructed with high quality steel frame to ensure long term of use, the children's study desk and chair set have excellent load-bearing capacity of 190lbs. Durable rubber pads can prevent Study Chair and table sets from rubbing against the ground to cause damage
LED Lamp and Book Stand: Equipped with detachable LED table lamp, student can freely adjust the direction and brightness according to their needs, providing good illumination for learning or reading.The rotatable book stand can hold the book and protect eyes at a proper distance to avoid visual damage
kid study desk with chair,best study desk,comfortable office chair,kids study table and chairs
Igrow Technology Co.,LTD , https://www.szigrowdesks.com