| Model | Parameters |
| Single-sided analog clock CJ-M40D | Self-accuracy: ±0.05s/d |
| Output torque: 800~1200g.cm | |
| Working temperature: -35~+70℃ | |
| Relative humidity: ≤95% | |
| Working voltage: AC220, 50Hz | |
| MFBF: ≥85,000 hours | |
| Appearance form: round, the shell is injection molded at one time, and the color is reliable | |
| Adopt standard POE/NTP/RS422 protocol | |
| Size: Φ40mm | |
| With "Sub-clock synchronization time accuracy " detection device | |
| With "clock back compensation device" function |