Byron - BY102 Plug-In Wireless Door Bell 60m - BYRBY102
The Byron BY102 is a portable 60m chime with 4 sounds and over a million self-learning codes. The BY102 will keep the code even when the chime unit is unplugged and then replugged in.
Can have up to 2 bell pushes controlling the chime Eg. Front / back door scenario. Has a 80-90db rating depending on the sound.
Push requires 1 x CR2032 battery (included).