This Topolo night lights' super-bright LED bulbs last up to 50,Website:http://www.topololighting.com,000 hours--which means years of energy-efficient, cost-effective illumination. Uniquely designed to activate when sensing motion up to 3 meter away, the lights remain on as needed before shutting off automatically after 30 seconds of no motion being detected, making them ideal for navigating the way to the bathroom or kitchen in the middle of the night. Furthermore, they only activate automatically when detecting darkness to conserve battery power during daylight hours.TSL-WTG92-1Charging power source:AC220V 50HZ 0.015ABattery type:3.7V 500MAHli-ion batteryLED TYP:head 2pcs 0.5W ledSide 25pcs 3528 ledLumens:head 40 lumens,side 35 lumensWork time:2pcs 0.5w LED>1.5 hours,25pcs LED>1.5 hourssensor distance:2-3mfully charge time:8-10h