Magnetic contact, universal transmitter and vibration sensor via bidirectional radio. 2 universal inputs or contact and impact sensor, and 1 external tamper input. Adjustable sensitivity. Certified EN50131, Grade 2. Compatible Pyronix systems. Fully supervised: Tamper, fault, low battery. It works with 1 lithium battery, type CR123A of 3 V. Autonomy 2 years. Operating temperature: -10º to 40 ° C. Dimensions: 30 x 130 x 35 mm, magnet: 17 x 56 x 12.7 mm.