Wireless Shock and Contact VIBER™ Accelerometer Technology Shock and Magnetic Contact Wireless Signalling with Ricochet Mesh Technology Digital Signal Processing 5 Selectable Digital Sensitivity Settings Intuitive LED Assisted Setup Procedure 3 Year Typical Battery Life Roller Shutter Input for ‘Partly Open’ Protection EN50131-2-8 Grade 2 EN50131-2-6 Grade 2 EN50131-5-3 Grade 2 PD6662:2017 Grade 2 Environmental Class II Available in White, Brown, Grey & Black