Electro-mechanical classic “Ding Dong” sound. 1 million sets of auto-learning codes to avoid interference.100m Range (dependent on environment)

• IP44 Rated
• 100m Range (dependent on environment)
• “Ding Dong” sound
• Requires 1 x 12V 23A battery for Door Bell unit (included). Receiver unit runs off mains (requires wiring) – no batteries required