Kerui F51 Push Button, Operating at over 500 Feet, 1-2 Years Battery Life, 315MHz/433MHz Optional, Emergency & Panic Button

Kerui Doorbell - Life happens at the front door

F51 Push Button 

Features

500-feet range

Emergency button

Long battery life

One Button transmitter

Panic button for elderly

Technical Parameters

Operating voltage: DC12V

Standby current: ≤ 5uA

Transmitting current: ≤ 15mA

Battery life: 1 to 2 years

Frequency: 315MHz/433MHz 

Distance range: 500 feet

Size: 72*45*23mm