Two SKU optional

1 is a multifunctional doorbell

1 is the SOS emergency button doorbell

The order will be sent to the corresponding product according to your choice

You can learn about the operation of related products through this link on Youtube

https://www.youtube.com/channel/UC0omnisV9_rZOcGsSMH1hLQ

Tuya Wireless remot control：B100-Doorbell Button

Tuya Wireless SOS button for emergency help：B100-SOS Button

The main technical parameters of this doorbell button

Radio frequency：433 MHz
Encoder IC：eV1527
Resistance：330K ohm

The main technical parameters of this SOS button

Radio frequency：433 MHz
Encoder IC：eV1527
Resistance：330K ohm

Main function display

1.Built-in button battery: can be used for 2 years
2.Ultra-long wireless communication distance: 200m

Technical parameters of this doorbell button

Standby Current：≤1uA
Work Current：≤40mA
Transmitting Distance：≤200m (Open Area Interference)
Operation Condition Temperature：-10℃~55℃
Relative humidity：≤80% (non-condensing)