Wireless Cardless Doorbell 32 Tunes

Features:
32 Tunes Wireless Doorbell Door Bell with Remote Control
Color: White with Blue as the picture shows
Simple, vivid and no-wire installation design avoid troubles and save money when in installation and don't effect decorate environment
Remote control range up to 80meters in open air, suitable for homes and high floor houses.
Build in anti-interference design, avoid t he interference between users.
Build in double speakers, make sound clear, especially suitable for homes, offices, factories, hotels, etc.
LED working light indicator
Receiver size: 8 x 6 x 2.5 cm
Remote control size: 6.5 x 4 x 2cm
Door Bell powered by 2 X 1.5V AAA batteries ( not included )
Sender powered by 12V 23A battery(not included)
32 Melodies for selection, you can select your favorite
Easy to install, with double-side stickers at the back of the remote button

How to use:
Gently press the small gap at the underside of the remote controller with a flat screwdriver
Open the battery cover of the remote control, insert 1 pc "12V 23 A" battery (  included)  and assemble back the battery cover
Stick the remote control on the door station with a double - sided tape
Insert 2 pcs, "AAA" size battery (not included) into the receiver