Berner BHS121 mini 2 channel handset 868Mhz unidirectional radio (fixed code) with keyring and red LED.

Berner part number: 2905030

Batteries: 1 x CR2032 3V Lithium (included)

Dimensions: 65mm x 35mm x 10mm

Compatible with transmitter models Berner BHS110 – BHS140 – BHS130 – BHS211 – BHS221 – BHS153