Description
| Dimension of Unit: | 375* 750 * 35 mm (L*W*H) |
| Net weight of unit: | 225 color: black |
| Operating current: | < 50mA ;Operation frequency:22khz |
| Operating temperature: | -5 ℃ to +55 ℃ |
| Power: | 9V (6F22) alkaline battery ,operate voltage 7V-9V |
| Alarm: | video LED & audio/ video LED & vibration |
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