Inkbird ITC-306A WiFi Temperature Controller, Wi-Fi Aquarium Thermostat Heater Controller 120V~1200W Temperature Control with Two Probes only for Heater Aquarium Breeding Reptiles Hatching. Suitfeel These collars come in four

These collars come in four sizes Small 2

you can put it anywhere without worrying about safety

and nails from the inside

Green tea extract

Touch smoothly

Inkbird ITC-306A WiFi Temperature Controller, Wi-Fi Aquarium Thermostat Heater Controller 120V~1200W Temperature Control with Two Probes only for Heater Aquarium Breeding Reptiles Hatching. Suitfeel These collars come in fourFeatures: Dual Protections: The aquarium temperature controller is equipped with 2 relays to ensure that the plugged heater can be turned off when detected overheating, protecting your fish tank well 2 probes get more reliable: place them in a fish tank but at a distance, the controller will alarm when the temperature difference is over 3 degrees Celsius (5 degrees Fahrenheit), and the App will push a notification to your cell phone at the same time