With self-levelling, grade slope function, scan mode, horizontal and vertical, remote controller and 9Ah lithium-ion mm Digital Detector battery the Imex range represents excellent value with versatile capabilities for a full range of construction functions. Combined with this is the highly visible heavy duty and robust, water and dust-proof case, with a fully enclosed laser diode for years of trouble-free use. A sensor-based self-levelling system utilizing a level sensor and stepping motor gives excellent levelling ability and enhanced accuracy.