Waterproof Wireless Doorbell with 58 Pieces of Music Human Body Induction Light USB Powered Smart

Feature: 1. Human Sensor Technology: With human sensor technology, in the night, when someone comes, the receiver will light up, when the person left about 30 seconds, the receiver will automatically go out 2. 4 Modes: Smart doorbell includes four modes. Only flashing but not ringing, only ringing, flashing and loud, always on and flashing 3. Waterproof: The waterproof grade of the button is IP55, and the built in waterproof tape. It has good waterproof effect and strong practicability 4. Distinguishing Function: Add the function of distinguishing between front and back doors, press different buttons, the receiver will sound different music 5. Wide Application: Smart doorbell can be used as a night light, can be placed in the bedroom, children"s room, living room light, kitchen and other locations Specification: Item Type: Wireless Doorbell Weight: Approx. 227g / 8oz Material: ABS Receiver Induction Angle: 120 Degrees Receiver Induction Range: 0-3m /0-9.8ft Voltage: DC 5V Operating Frequency: 433MHZ Volume: 25-100DB Music: 58 Songs Waterproof Class: IP55 Working Distance: 200m / 656.2ft(Empty Distance) Battery: 1xCR2032 Battery 240mah (Doorbell Shipped with Built in Battery). Package List: 1 x Doorbell2 x Receiver2 x Connecting Wire1 x Instruction Manual2 x Screws2 x Expansion Plug3 x Paste Paper Note: USB power supply, doorbell receiver does not have a built in battery, unplug the receiver USB cable, the receiver does not work.