Kerui F56 Self Power Generation Button, Operating at over 500 Feet, 433MHz, Emergency & Panic Button

Kerui Doorbell - Life happens at the front door

F56 Self Power Generation Push Button

Features

500-feet range

Self power generation

Emergency button 

One Button transmitter 

Panic button for elderly 

Technical Parameters

Frequency: 433MHz  

Distance range: 500 feet(open area)

Size: 84*47.5*22.1mm