TR3100FAN Programmable 3-speed Fan Controller

Features
To control 3-speed fan only;
White back light;
4 programmes per day;
7 days programmable( each day can be different);
Fan fail alert;
Auot / manual mode;
Override function;
Key lock function;

Specifications
Power supply: 230VAC (12VDC optional)
Inputs: 1 x NTC built-in temperature sensor
Output: 1 x 3-speed fan, max 200watts
Ambient temperature: 0 ° C [+32 ° F] ~ +45 ° C [+113 ° F]
Operating RH: 0~95% (non condensing).
Dimensions: 86mm x 86mm x13mm
Display Size: 65 x 48mm.
Backlight life: 5, 000 hours.
Battery type: CR 1220 (Backs up clock only)
Battery life: > 5years (10 years Maximum)