Wireless doorbell button - Portrait format - Easy installation - no wiring required - Wireless range of up to 200 m - LED confidence light - Name plate - Secret knock function - Low battery indicator - Waterproof (IP55) - Mounting brackets included - Up to 2 years battery life Size: 30 x 70 x 16 mm Batteries: 1 x CR2032 (3 V) (included)
