Compact AIS distress transmitter. Witt manual or automatic triggering via the built-in water-contact switch. The antenna is released by pulling the red plastic cap. The transmitter uses the following frequencies: AIS 1: 161.975MHz and AIS 2: 162.025 MHz. Waterproof in accordance with IP68. 48 hours of operating time at -10 ° C. Replacing the batteries is necessary only every 5 years. Power consumption: 2 W (1 W EIRP). Size: 12.9 x 5.2 x 4 cm, Weight without battery: 160 g. Includes carrying case and mounting clip.