3 channel alarm designed to detect overfill, low level/reorder level or bund alarm situations in 1, 2 or 3 tanks. Connect up to 3 float switches.​Battery, weatherproof alarm box with individual channel LED’s (no beacon).High powered alarm sounder 90dB at 1m. Batteries supplied (type D x 4).Order the float switches separately.Universal float switches, can be used for high, bund or low level/reorder, just configure the dip switches inside the alarm box to activate the level alarm required.Choose Diesel, Petrol or AdBlue®/water float switches.Relay outputs can be used to switch secondary equipment & sounders like our remote warning device (RWD2).Offers external outputs 1 per channel, they are a switch only & not a power source, not to be used to activate fuel pumps or safety valves.Output relay contacts rated at 250V, 5amps/100VA max.Volt free contacts for each channel.