About This

• Fully submersible, auto shut-off when overheats, resets when cools down
• Electronic thermostat stops heating once set temperature is reached
• Precise temperature setting adjustable to 1° F (68-88° F)
• Shatter-resistant
• LED light turns on when aquarium water is being heated, automatic safety shut off and overheat protection
• For fresh or saltwater aquariums up to 40 gallons