Attention:The doorbell button can not work alone,if need the whole doobell kit,please choice the following link.
KERUI F52 Wireless Touch Doorbell Home Alarm Smart Doorbell
1. waterproof and touch button.
2. 433 MHz wireless RF frequency, can work with KERUI alarm system and doorbell.
3. Long transmission distance, Up to 100 meters in open area.
F52 works with KERUI Dorrbell M525 and M557 In doorbell mode, when touch the F52 button, the doorbell will remind you of “ding-dong” or ring songs .
Button F52 works with alarm host and door receiver in alarm mode, when it’s triggered, it will sound the alarm to remind family members or providers.
Battery is not included:
This button use 12V 23A battery and we are not include it .
Because they are dangerous goods, the package can be easily returned. Dear, you can buy it on the platform or locally and the price is very cheap
Please attention that this link only have1 button and it can not work alone,it need to work with the doorbell receiver
So dear if you need the whole doorbell kit,please check other link in our store.
Frequency: 433Mhz Operation
Humidity :no more than 90%
This item can be compatiable with most of alarm system in our store. But if you are not sure that if it works with the alarm system you have in hand, please contact us first to confirm it.