Wireless doorbell with waterproof outdoor ring, 60 …, Mandai

Function And Specification
1. Stylish And Portable, Easier To Carry And Install.
2. Size: Transmitter 77mm * 46mm * 20mm, Receiver 90mm * 56mm * 20mm.
3. The Transmitter Adopts Screwless Chuck Design, Which Can Be Waterproof And Dustproof Without Rubber Ring.
4. The Transmitter Uses 1 * 12V23A Battery.
5. The Receiver Is Powered By 3 * AAA Batteries Or Micro USB Cables (Batteries And Power Cables Need To Be Provided By Yourself), Which Is More Casual And Convenient
6. Receiving Distance: 300 Meters In Open Area.
7. Wireless Signals Will Be Affected By Obstacles.The More Obstacles, The Worse The Signal Loss.
8. The Receiver Has 5-speed Volume (Can Mute) 0-110db, 60 Kinds Of Ringtones To Choose From.
9.Without Data Cable

Precautions
The Button Cannot Be Placed On The Metal Door, The Metal Will Interfere With The Doorbell Sensing Signal.

How To Pair The Signal?
Pairing Method: Press And Hold The Volume Button On The Receiver For About 5 Seconds (The Indicator Light Is On), Release The Volume Button, And Press The Button Immediately, The Signal Is Paired Successfully.