Detailed Product Description Dual-Eelement Motion DetectorTamper Switch Inside, NC OutputAuto Temperature CompensationDetection Speed: 0.15∼15m/secWorking Voltage: 9VDC ~ 16VDCCurrent Consumption: 17mA at 12VDCWorking Temperature: -10∼+60Working Humidity: 0-95%Installation Height: 2.0~2.5mDetection Range: 12 X 12m AT 2.0m HeightSize: 94.5L X 63.5W X 49.0H mm