Tiiwee TWPIR03 Bedienungsanleitung Seite 5

Precautions
Please do not touch the detection window surface as this might affect the
sensitivity of the sensor. If you need to clean the sensor, please disconnect
the power and use a soft cloth and a mild detergent solution to clean it.
For a proper use please check the power of the batteries regularly (see the
section "When the detector light flashes").
Specifications
Maximum Detection angle: 90°
Standby Current: <20uA
Working Current:<25mA
Detecting Range: 6-12 m depending on settings
Wireless Distance: 200m ( Open Area )
Wireless Frequency: 433MHz
Housing Material: ABS
Working temperature: -10 - 50°C
Waterproof level: IP54
Detector Size: 88x58x50mm