USB lowvoltage submersible heater rod for fish and turtles Key benefits Creates a stable, comfortable water temperature for fish and turtles, reducing stress and supporting health. Compact, pocketsized design fits a wide range of containers, making it a versatile solution for home aquariums and pet water needs. External electronic temperature control delivers precise settings from 18 to 34 °C, so you can maintain the exact conditions your pets require. Builtin automatic safety: the heater shuts off if the water temperature exceeds 36 °C or if the water level drops, protecting your animals and the device. Features and practical details Power: USB lowvoltage heating rod for safer underwater operation compared with highervoltage heaters. Control: External electronic temperature adjustment lets you set temperatures between 18 and 34 °C with ease. Safety: Automatic shutoff activates when temperature goes above 36 °C or when water level falls below safe submersion. Size and compatibility: Pocketstyle, compact form factor fits tanks, aquariums, turtle tanks, and even pet drinking water containers. Use cases: suitable for both fish and turtles; ideal wherever small, controlled heating is needed. Recommended applications Home aquariums: Maintain stable temperatures for tropical fish to prevent stress during daily fluctuations. Turtle tanks and soaking dishes: Keep turtle soaking water at a comfortable level for activity and digestion. Small pet water bowls or travel containers: Warm drinking water during cold weather or shortterm transport situations. Why choose this heater Simple, targeted temperature control tailored to common pet aquatic needs. Versatile, spacesaving design for a range of tank sizes and water containers. Safetyminded automatic shutdown protects pets and prevents overheating. What you get A USB lowvoltage submersible heating rod with external electronic temperature control and automatic safety shutoff, suitable for fish, turtles, aquariums, turtle tanks, and pet drinking water.