A very simple and easy product to use. Just enter an operating temperature and the electronic control system keeps the programmed temperature to a surprising degree of accuracy which shows on the illuminated screen. Its strong plastic frame and membrane keypad stop wax from filtering inside the appliance and the tank is divided into four independant compartments so that many different types of wax can be heated. The teflon coating on the tank makes cleaning easy. 192mm (w) x 114mm (l) x 70mm(h). Temperature range 50-120°C.