Tri-X wireless technology 2-ch External Zones for wired sensors
Hikvision AX Pro Wireless Magnetic Contact Wireless 433MHz 2-way communication, AES-128 encryption, Range: 1200m (open area); Support frequency hopping, Signal Strength Indicator Environment Temperature Indication; Opening Contact Detection, Gap 43mm Max Configurable through APP, Multiple Enrolling Methods; 1x CR123A batteries, up to 5 years standard battery life