2.4Ghz Wireless Color EmergencyThe Emergency Light hidden camera gives you safety and security. Emergency lights last up to 1 1/2 hours during a power outage. Can hang in a hallway, basement or any place you like. Includes 6 volt rechargeable battery (will only power light in power outage - not camera), high impact durable housing, test switch and LED charge indicator. Wireless units must be hardwired into buildings electrical circuit. Includes: Wireless cameras include FREE 2.4 GHz receiver (a $160.00 value), Black and white cameras feature .003 Lux which allows best possible images in almost complete darkness. Camera requires some ambient light (night light, television).