Applicable to: Law enforcement device, video doorbell.
| Serial number | Item | Value | 
| 1 | EFL | 2.8 | 
| 2 | F/NO. | 2.4 | 
| 3 | FOV | 170° | 
| 4 | TTL | 16.2 | 
| 5 | Sensor Size | 1/2.8” | 
TTL16mm, a special product customized by American customers, makes your model more compact and smart. Widely used in automobiles, security monitoring, sports cameras and other fields