AK-01 Electronic Guest-Saluting Wireless Doorbell(White)

1. Apply the function of automatic light sensitivity. Easy usage, energy saving, and high sensitivity make it meet the need of marker more and closer to consumersa?? lives. Ita??s suitable for the dwelling houses, shop, offices, factories and so on. It not only brings you convenience, but also give you the unexpected happiness and safety. 2. Powered by 3 x AA1.5V batteries(not included) 3. Light control distance is 3-7m 4. Size Approx: 8.2 x 4.5 x 8.2cm 5. Weight Approx: 88.4g