1. 808nm diode laser 2. Wonderful design 3. Perfect result for hair removal ... ARM hardware control system, software setting based on skin types.5, Safety warning for water level, water temperature, available status of ... , Spot size: 10mm*10mm7, Pulse duration: 10~400ms8, Contact cooling: <5 degree by water9, Diameter: 420mm*380*1150mm Diode laser