CR1220 - CMOS Battery for Biometric Readers SonoffButton Requires Spacer Box Lid -

Requires Spacer Box Lid - Small

and 115 dB Personal Alarm – Wrist Strap & Training Video included

– Support max 16A input

Elevate your living space with the advanced  Sonoff SNZB-02P

Allows to close a door without a traditional lock

CR1220 - CMOS Battery for Biometric Readers SonoffButton Requires Spacer Box Lid -CMOS Battery for Biometric Readers CR1220 3V CMOS Battery for Biometric Readers. CR Series Lithium coin button battery. These non rechargeable batteries are ideal for smaller electronic devices and have a longer lasting life than alkaline equivalents. These batteries are small, round and slim and are normally used on their own but with their less self discharge they are able to hold their charge for a longer period of time. Features These CR batteries