Wireless Doorbell

** receiver size: 8 x 11 x 2.5cm
** 4 melody rings alternative 
** good quality, clear bell sound, stable wireless connection
** we can put your own sound into the bell sound
** we can make the panel shape your design
** we can make the panel design by yours
** each in double blister packing

** transmitter size: 3.5 x 7 x 2cm

** receiver: 3 x AA battery

** transmitter: DC 1 x 12V 23A battery

** frequency: 433 mHz

** wireless doorbell
** operating rang: 100meters