Features: Motion Sensor Alarm: Sensing angle is 125, which will widely capture any movement within 5-8 meter activate the alarm. Motion Sensor Alarm Siren: The siren horn sound is about 129dB and bright strobe has 6 LED light, it can be heard and saw from 1000 m away motion sensor alarm siren. IP65 Waterproof: Outdoor motion sensor alarm have sturdy ABS casing, ensure that can be applied normally outdoors in rain and snow weather. Specifications: Material: stainless steel bracket, ABS housing Color: red Size: approx. 2.72 x 2.91 x 4.72 inches/ 6.9 x 7.4 x 12 cm Package includes: 6 x Motion sensor alarm Notes: Manual measurement, please allow slight errors on size. The color may exist a slight difference due to different screen displays.