Ubiquiti PoE Smart Chime, PoE Plug-and-play Notification Device, Designed To Pair with a UniFi Doorbell or Door Access Hub

PoE power supply with 3W maximum consumption 10/100 MbE network interface 80dB speaker with buzzer and R/G/B/W LEDs Device dimensions: 62 x 54 mm (2.5 x 2.1") Device weight: 158 g (5.6 oz) In-wall mount: 89 x 63.1 mm (3.5 x 2.5") On-wall mount: 62 x 20.2 mm (2.5 x 0.8") Enclosure material: Polycarbonate and aluminum alloy Supported voltage range: 44–57V DC Operating temperature: 0 to 40°C (32 to 104°F) Operating humidity: 10 to 90% noncondensing Factory reset button Compatible with UniFi Protect and UniFi Access platforms