Check out our easy and affordable Battery Operated Wireless Doorbell and 200 meter transmission range for a simple solution.
This Door Bell provides up to 200m wireless range and 52 doorbell tunes so you always know when visitors arrive. 4-level volume control. IP56-rated doorbell button. Requires 23A battery for the transmitter and 3 x AAA batteries for the receiver. 433.92MHz frequency.
