UKG Smart Home | Smart Doorbell Indoor 2.4G RF433 Wireless Doorbell USB Pin White Anti-theft Smart home

USB pin white indoor 2.4G RF433 wireless doorbell (with U-IP08 purchased on or before 2021-11-15 dedicated) Color: white Size: 4.6 × 7.2 × 2.8cm Plug: USB pin Power supply voltage: 5V/1A Operating temperature: -30 ° C ~ 70 ° C Wireless frequency: RF 433.92MHz ± 280KHz Super! Low Power Consumption Number of Bells: 38 optional Operating Distance: 120-150m (open space) Bell Volume: 0-110dB, five-level adjustment, 0dB for mute mode Certificate: CE, RoHS, FCC, PSE, TELCE Factory Settings: Long press the override button for 5 seconds, the bell restores the factory settings Matching Status: Short press the override button, the indicator light blinks, the bell in the state of waiting for the matching of the most Supports up to 7 smart visual doorbells* Press the above options, there are different styles of wireless doorbells. www.ukgsmart.com