The VETUS wireless control hand held remote has a range of 10 to 25 metres depending on the location of the receiver and delivers easy control ofbow thruster, stern thruster and/or windlasses. bow thruster, stern thruster and/or windlasses. Power supply 3 Volt battery CR2032Open air range >10 metresMaximum range Up to 25 metres when unimpededHand held control Watertight according to IP66