- Photoelectric control technology to prevent the mechanical failure
- Ultra-low temperature design, more safe and more durable
- Ultra low power design, more durable and more environmental protection
- 500,000 electricity aging test
- Built-in reverse current protection circuit
- A microprocessor chip control circuit
- Plastic case
- Size: 86 x 86 x 50mm
TL-SF1024D
DHI-IPC-HDW2449T-S-IL
DH-IPC-HFW2431-S-S2
DHI-NVR4232-16P-4KS2/L 




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