Chuông cửa điện tử không dây thông minh 100m

Feature: 1. Range(100 Meter) Wireless Door Bell 2. 32 Ringtones to choose from. 3. Waterproof remote button light up when pressing. 4. Remote button has double sided adhesive on the back of it. 5. Ideal for house, office, garage, indoor, outdoor. Specifications: Material: ABS Color: picture color Size: 9.5*6*3.3cm /7.2*4*1.6cm Weight: 105g Product list: 1pcs* wireless doorbell Power mode: DC Power supply voltage: 3 (V) Ringtones: 32 Power consumption: 0.5 (W) Scope of application: shopping malls, home buildings Type: Wireless doorbell Frequency: 315Hz Receiver: 3V/50-60HZ 2W Transmitter: 12V23A Receiver: 2 7-cell batteries Transmitter: 1 12V23A battery (supplied) How to install: 1. Press the small gap on the underside of the remote control with a flat screwdriver. 2. Open the remote and insert the 12V battery 3. Close the remote again and then stick it where you want with the adhesive back. 4. Insert the 2 x AA batteries (not included) into the receiver. Please check polarity spring side is Negative side and plate side is positive side. Always use good quality batterie for best result. 5. Use the button on the side of the receiver to change the melody to your favourite. Product list:1 *Remote Control Button(Transmitter)+1 *Wireless Musical Doorbell(Receiver) Note: Due to the difference between different monitors, the pictures may not reflect the actual color of the item. Compare the detail sizes with yours, please allow 1-2cm error, due to manual measurement #waterproof #doorbell #wirelessdoorbell #Cheaper #Home #Digitaldoorbell #Waterproofdoorbell #Musicdoorbell #monitor #Theinternet #communicatewith #Remotely #practical