Auto PIR Keyhole IR Sensor 4-LED White Light Lamp (1*AA)
PIR Sensor Automatically Switch on to illuminate the keyhole when detecting Motion - 4 Bright white LED lights - Super sensitivity within 2 meter distance (6 seconds constant light) - Boosting function Work normally when the power voltage is lower than 1.2V - Wireless easily to be mounted onto any doors - Fashion elegant exquisite household electric appliance - Powered by 1xAA battery (not included)