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Product description
Set it and forget it – DTC1021 handles the rest 
One Probe, Dual Control – Size & Probe Accuracy 
Size & Cords
dimensions make installation straightforward and hassle‑free. No wasted space
Waterproof Probe – High Accuracy for Control
Reliable NTC probe delivers accurate temp readings every time. Resists rust and wear. Dependable performance – use it with confidence
Must-have for reptile and plant enthusiasts
Reptiles need precise temperature control
Use Heat mode for basking lamps or heat mats; Cool mode for ventilation fans on hot days. One probe, two outlets – create a safe temperature gradient easily
Give your plants the ideal environment
Keep your grow tent, nursery, or indoor garden at the perfect temperature – all year round
Set your target temperature
Connect heater and cooler. auto-switches to maintain it
Effortless One-Temperature Setup: Just press UP/DOWN to set your desired target, and this plug-and-play digital thermostat handles the rest. The large backlit LCD shows both current and set temperatures at a glance – no complex programming, no menus. Perfect for anyone who values simplicity.
Dual Independent Outlets for Heating & Cooling: Connect both devices to this 2-Stage Outlet Thermostat. It automatically turns on heating when the temperature drops below your set target, and activates cooling when it rises above that target. The middle zone keeps both off, saving energy and preventing over-correction.
Wide Range, Real Precision: NTC probe reads from -40°F to 248°F – freezer to incubator, it handles it all. Control range is -4°F to 176°F, covering most everyday projects. Switch °C/°F anytime. Plus, calibration (CA) keeps readings honest as the sensor ages, and adjustable DIFF (default 2°C/°F) gives you control over response sensitivity.
Built‑in Compressor Delay Protection: Prevents short‑cycling with adjustable delay (DP, 0‑10 min) – extends the life of your cooling equipment. Displays clear error codes (Err, HHH, LLL) for sensor faults or out‑of‑range conditions, so you always know system status at a glance.
Versatile and durable: Ideal for terrariums, mushroom cultivation, home brewing, and greenhouse gardening. Supports quick °C/°F switching, handles loads up to 10A per outlet, and includes a 2m(6ft) probe cable. Simple to set, built to last – master your environment with ease.