| Technical Details | |
| Communication | ZigBee |
| Transmission Frequency | 2.4 GHz |
| Working Voltage | DC 3V (CR123A battery) |
| Undervoltage Alarm | Supported |
| Working Temperature | -10℃ to +55℃ |
| Detection Radius | 8 m |
| Detection Angle | 90° |
| Installation Height | 2.2 m |
| Dimensions | 48.4 x 53.4 mm |
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Datasheet 904M-S3.pdfDownload
