Specifications:
Waterproof rate: IP68(Depth，2 meters)
Item Length:143mm
Item Diameter:36mm
Battery: 3.7V 2600mAh
Input: 5V 800mA(MAX)
Output: 5V 1200mA(MAX)
Wattage: 1W(MAX)
Lumens: 100lm(MAX)
LED life time: 36000 hours

Package included:
1 x LED Lamp(Include battery)
1 x USB Cable