HF system: 5.8GHz CW electric wave;Detection angle: 360 degree;Detection range: 1-10m ( ... temperature,humidity, noise, air, dust, light…3.RF interference ability, 4. Transmission power only 0.2 mW,It will not harm ... /ACPower frequency: 50HzRated load:15W MAX.HF system: 5.8GHz CW electric wave, ISM wave bandTransmission power: <0.2mWTime setting: 6sec ...