Fixed connection to 12 V on-board power supply. Pressure switch. Ready for operation after approx. 3 minutes. With high-sensitivity sensor and 80 dB loud siren. Temperature-guided sensor that works reliably even above 25°C. Power consumption in standby: 100 mA, power consumption in alarm: 180 mA. Mounting: approx. 100 cm above the ground. Dimensions: 55.6 x 86.7 x 24 mm.