Brand Name: retekess
Model Number: Access Control System
Direction: None
Security Mode: Fail Safe with Signal
Doorbell Type: Wireless
Material: ABS Plastic
Power supply: AC 220V-250V
Power Source: Plug
Work Frequency: 433MHZ
Power supply(Push button): 1x12V 23A
Color: Black + yellow
Volume: Adjusted (4 volumes)
Sound options: 51 Melodies