Nút bấm camera chuông cửa Hikvision DS-KB2421-IM là sản phẩm nhập khẩu chính hãng. Dùng chung cho bộ chuông cửa màn hình DS-KIS201.
Nút bấm camera chuông cửa Hikvision DS-KB2421-IM
| Model | DS-KB2421-IM |
| Camera | 1/4 inch CMOS |
| Resolution | 720 × 576 |
| Video frame rate | PAL: 25 fps |
| Audio input | Built-in Omnidirectional Microphone |
| Audio output | Built-in Loudspeaker |
| Audio quality | Noise Suppression |
| Light supplement mode | Photosensitive IR Supplement, IR Range: 2 Meters |
| Four-wire interface | 1 Four-Wire Interface (1-ch Video Input, 1-ch Audio Input/Output, 1-ch Power Supply, 1-ch Grounding) |
| I/O output | 1 Relay Output |
| Material | Zinc Alloy |
| Power Consumption | Max. 5W |
| Working Temperature | -30°C to +70°C |
| Working humidity | 10% to 90% |
| Dimensions (LxWxH) | 145 x 49.2 x 26.45 mm |
