Alpha X3 Series of Instant Water Heater are small, simple to operate and install. The size fits small bathrooms or home owners who just like things small to project a bigger space. The Alpha X3 Instant Water Heater comes with safety features such as Line Fault Indicator (Optional), Thermal Cut-Off to prevent scalding and a reliable splash-proof casing that meets ISP25 standard. This economical unit also comes with the hand shower set to match the heater. Great value for a highly affordable package. Some Key Features: SAFETY THERMAL CUT-OFF Automatic & Overload Temperature Control System automatically breaks off power supply if there is abnormal rise in shower temperature. SPLASH PROOF The casing is designed to provide protection against water seeping into the heater's internal mechanism. NYLON FIBRE INTERNAL Built-in strong & durable non-conductive material for futher insulation against electric shock.