The external temperature detector can detect the temperature, set the opening and closing temperature, and has the functions of timing cycle, timing opening and timing switch. Characteristics: it is widely used in intelligent temperature control such as glassware, aquarium and snake tank. Aquaculture, greenhouse, seed germination, air conditioning, refrigerator, incubator, heating lamp / pad, heating carbon crystal, etc. the real-time temperature range is - 40 to 120, which can provide cooling and heating modes. Easy to use, all current settings will be saved if turned off. Different timer modes are for you: cycle or countdown timer. You can set the start / end time to minutes (range: 0-59 minutes) and hours (range: 0-99 hours). Long service life. Specification: Material: abskolor white plug type: EU / EE plug. United States/ UK (optional) voltage: 100-250 VAC, 50 / 60 Hz maximum. Load: 16A (2) 3680w. Temperature control accuracy: ± 1% synchronization accuracy: maximum. 10 items weight: 12 * 5.8 * 3.2 cm / 4.72 * 2.28 * 1.25 item weight: 163g / 5.74 oz package size: 15 * 6.5 * 5 cm / 5.9 * 2.55 * 1.96 package weight: 201g / 7.09 oz package list: 1 * temperature controller 1 * sonda1 * user's Manual