Dual PIR sensor for use with generic transmitter not included. Two lens covers for curtain effect and test buzzer supplied, two-colour LED indicators for monitoring, pet-immune. Maximum range 12 m, installation height 80cm to 2.5m, "or", "and" and "directional and" logic, operating temperature -40 a +70°, IK10 impact protection, high immunity to solar shadow, front and rear tamper, low-energy technology, powered by 9V battery (supplied). Dimensions 190 x 85 x 75 mm.