Power source: rechargeable battery: Li-Ion 3.7V 2200mAh (18650) operating time: 1.5-8.5h charging time: 4h charging: mains charger, 12V car charger, USB cable Building and features: Material: aluminium, ABS Packaging: case IP54 - waterproof quick disconnect system - a system for quick connection and disconnection of the body from the head, so called. quick connector magnetic base battery charge indicator (green/red colour) fall resistance: 1m body weight (without lamps): 178g