Features and functions
1. 4 digits alphanumeric display
2. Multiple working mode optional for different places
3. Adjustable calling records display cycle time
4. Timeout calling display flickering prompt
5. Level 0~15 adjustable volume
6. Wall-mounted or desktop installation
7. Number/music/Dingdong multiple prompt mode
Technical Parameters
1. Working frequency: 433.92MHz
2. Modulation: AM
3. Working voltage: DC12V/2A
4. Standby current: 200mA
5. Working current: 650mA
6. Receiving sensitivity: -110dBm
7. Working temperature: -10℃~+50℃
8. Product size: 410x158x45mm
9. Capacity of transmitters: 999pcs