The Einstein™ Cap Light by NEBO is a 50 lumen rechargeable cap light with 3 light modes and features a sensor mode that allows for contactless control of power.The included battery allows for up to 18 hours of operation in between charges.3 LIGHT MODESHigh (50 lumens): 2 hours 50 mins / 16 metersMedium (20 lumens): 6 hours / 14 metersLow (5 lumens): 18 hours / 13 metersDESIGNFully rechargeableDurable ABS constructionWater resistant (IPX5)No touch ON/OFFOPERATIONTop-positioned buttons for power, mode selection and wave activationACCESSORIESMicro-USB charging cableRechargeable batteryBATTERIESPowered by 1x 500mAh 602535 3.7v batteryDIMENSIONSWeight: 95gDimensions (L) 6.2㎝ X (W) 4.4㎝ X (H) 3.3㎝The rechargeable Einstein Cap Light features a 50 lumen C•O•B LED, 3 light modes, Wave-Activation, and a 90º tilting clip to direct light where you need it.LIGHT MODESMODES LUMENS HOURS METERSHIGH 50 2H 50M 16MEDIUM 20 6 14LOW 5 18 13OPERATION1. Power on and select mode2. Enable Wave Activation WAVE ACTIVATIONWave your hand in front of the light to turn it on and off.RECHARGEABLECharge the light using the provided USB cable. VERSATILE CLIPThe versatile clip enables use as a cap light or head lamp. (Head strap not included)