| DSP+Sensor | RTS3903N+SC2235 | 
| 2 way talk |  YES | 
| Features | Motion detection video & image record, video alarm push | 
| Video compression | H.264 | 
| Audio compression | G.711a/G.722.1/G.726/MP2L2/PCM/AAC | 
| Audio compression rate | G711a 8K-16bit Mono channel | 
| Resolution | 1080P / 1920*1080 | 
| View angle | 110° | 
| Frame | 50Hz: 15fps@1080p(2M) | 
| Storage | Micro SD max 128G/ cloud storage | 
| Wireless standard | 2.4 GHz ~ 2.4835 GHz IEEE802.11b/g/n | 
| MHz | 20/40MHz | 
| Working conditions | Temperature-10℃~40℃,Humidity95%(No condensation) | 
| Power supply | AC100-240V 50/60Hz | 
| Power consumption | 15W±10% | 
| Night vision | 5-10M | 
| Color  temperature | 5000K±350K | 
| Chromatic number | Ra>80 | 
| Luminous flux | 2000LM | 
| Lighting angle | 95° | 
| Lighting distance | Radius 5M |