Cyclops Rechargeable LED Headlamp Lithium-ion Rechargeable 150 Lumens Clear. It utilizes a 3.7V 500mAh Li-Poly battery an a sensor function that are both included. The headlamp also includes a USB cable and a logo on the headband. Specifications for Cyclops Rechargeable LED Headlamp: Manufacturer: Cyclops Color: Clear Light Output: 150 lumens Battery Type: Lithium-ion Rechargeable Bulb Type: LED Fabric/Material: Plastic Last Chance: Yes Finish: Black Features of Cyclops Rechargeable Headlamp 150 Lumens Red LED CYCHL150COB USB rechargeable plastic headlamp with Versatile clip; COB/150LM w/ clear lens cover + white LED + red LED; COB/150LM w/ clear lens cover + white LED + red LED; Sensor function included; USB cable included; Headband with logo Package Contents: Cyclops Rechargeable Headlamp 150 Lumens Red LED CYCHL150COB