🐠 Szelam Aquarium Heater - Submersible Fish Tank Heater with Intelligent Temperature Probe, LED Display External Temperature Controller - 100W/300W/500W/800W - Ideal for Fish Tanks Ranging from 5 to 158 Gallons Review

【Precise Temperature Control with Temp Probe.】 Our aquarium heater has sensitive temp probe, which is more precise to control the heater temp, making the temp difference within ±1°F and providing the suitable living environment for your aquatic creatures. 【External Temperature Controller with Dual Temp Displays.】 With dual LED digital displays, you can observe water temp and set temp of fresh or marine water at the same time. The external temp controller brings you more convenient and safe to adjust the set temp externally. 【Built with Overheat and Water Shortage Protection.】 This submersible aquarium heater is more sensitive and intelligent to resist overheat and water shortage than traditional glass heaters and it is automatically power off when taken out from water. 【Top Quality Material Brings More Safety Guarantee.】 Made of thick quartz tube heating rod, with black grit and thick ABS black cover, which features explosion-proof and anti-corrosion during heating. Besides, the thick heatproof cover will also prevent your little fishes from scalding. 【Super Easy to Setup with Wide Compatibility.】 This 100W submersible heater is suitable for 5 to 26 gallons fish tank and the power cord and plug have UL certification, which has more safety guarantee while heating. It is applied for freshwater and marine aquariums, aquaculture, glass containers, and hydroponic systems.