4G Water Alarm Detector - effective and easy detection of water-based liquids. Leakage sensor with a cable length of 1.5 m (extendable). 2x NO/NC inputs - any potential-free sensor or contact can be used. Alarm notifications via push message, call, SMS, email, and/or control room. Battery-operated (2x CR123 included), 12 V DC input for an optional power supply. Easy programming of settings via the Mobeye Internet Portal. Warning for low internal battery. Mobeye (M2M) SIM card. The Mobeye (M2M) SIM card is required for communication. This cost-effective multi-provider Mobeye SIM card is included with the product. It ensures the best communication over the 4G LTE-M network. And with the Mobeye Internet Portal, you gain more convenience and optimal security. The 4G LTE-M network is very reliable, has strong penetration, and also offers low energy consumption. The online-activated SIM card for the Mobeye CM4000 costs 4.00 EUR per month. This is a fixed amount based on fair use.