Working frequency of 433.92MHz +- 250KHz
Classical simple and nice button
Remote control distance up to 300m ( Open Area )
16 melodies music for option
Energy-saving technology
Professional remote control technology, can be installed at any place, no wiring
Adopt learning code technology, easy to add extra remote controls
Suitable for house, office, hotel, school, outdoor building, etc.
Easy to install & easy to work
For Remote Control : 1 X 3V Li Coin Battery ( CR2032 , Included )
For Door Chime : 3 X AA Batteries ( Not Included )
Mount Screw and High Tack Tape ( Included )
