5+2-day Programmable with 4-peirod per day Built-in RS485 communicating protocol (up to 254 addresses) Celsius and Fahrenheit switchable 12/24 time mode selectable Internal/external sensor exchangeable Auto/Manual fan speed programmable Setpoint range settable 5??? to 95??? Low temperature protection Remote Control (Optional) Sleep function available Blue/Green backlight selectable Door Key Switch Available Technical Specifications Power supply: AC24V or AC230V Output signal: ON/OFF Frequency 50 or 60 Hz Operating difference: ??1?°C Setpoint Range: 5 to 95 ?°C Amperage at AC 230 V 0.2???3 (1) A Terminals: 2 x 1.5 mm2 / 1 x 2.5 mm2, min. Weight: 0.14 kg Color: white with glass panel Housing: ABS Flame Retardant Dimensions: 86 ??86 ??14.5 mm