XEPA XP2H38WC Solar Security Light with Wireless Camera and Microphone 38 super bright LEDs lights provide bright illumination and low maintenance Easy installation-no wiring or AC required Triggering of the motion detector causes video and an audio beep to be broadcast thru the receiver so you can see what caused the disturbance Wireless receiver can be placed within 100-Feet of the light Receiver uses 900M Wireless Transmission. No interference with WI-FI