This is a COB work check light outdoor travel camping light USB folding red light warning light with battery. High COB and LED to meet your lighting needs; battery, you can use the USB cable to charge; LED bulbs, green energy saving and environmental protection, the use of longer time. Feature - Color: Black. - Size: Approx. 21.5 x 2.5 x 2.5cm. - Material: Aluminum alloy. Battery capacity: 650MAH : charging Power: 5w Light source form: LED Applicable environment: daily carrying, camping, patrol, teaching, walking, maintenance, repair work Power generation method: battery Configure the charger: No Maximum range: 100-200 meters - Different Lighting Modes: High COB and LED to meet your lighting needs; - battery, you can use the USB cable to charge; - LED bulbs, green energy saving and environmental protection, the use of longer time; - Come with and clip, folding design, easy to use in a small space inside; - The COB LED Light have can be 360-degree rotation. - Warm Tip: Dear buyer, due to lighting effect, monitor's brightness, manual measurement and etc, there could be some slight differences in the color and size between the photoes and the actual item. Sincerely hope that you can understand! Thank you! Instructions Battery assembly instructions 1. The positive pole of the battery is in the "+" direction (inside) and the negative pole is in the "-" direction. two. Board instructions 1. The product adopts advanced constant voltage and constant technology, which can effectively solve the requirements of LED flashlight for constant voltage regulation. 2, special tips: non-professionals do not open the circuit board 3, description: open or processed circuit board is not covered by the . three. Lithium battery instructions 1. Characteristics of lithium battery: The charging method of lithium battery and mobile phone battery is completely different; lithium battery has no memory, can be charged at any time, do not overcharge and discharge. 2, do not use the battery for a long time, should be fully charged to save, normal charge and discharge once in about three months; four. Product instructions 1. When the product is in use, according to the voltage and battery requirements of the product, do not use it indiscriminately to prevent the circuit board from being . Do not use batteries of different models and voltages at the same time. 2. In use, when the brightness of the flashlight changes significantly, it should be turned off to prevent the battery from being over-discharged. 3, can not direct the flashlight light to the human eye, and glare, so as not to affect vision, especially . Troubleshooting 1. Check the battery: Make sure the battery is charged and install the battery in the correct direction. Package list: 1 x Work Inspection Lamp