Aiicioo [Upgrade Version Under Tank Heater Reptile Heating Pad Ideal for Hermit Crab Terrarium Gently and durable provide a warm temperature for plant growth and better veggie, herb, and flower seed germination Low wattage heater provide ideal 24 hour heat for reptile and amphibians Light construction retains moisture for optimal safety Glue in the black and six bond to help adhere in your terrarium, thermotank or incubator Dimension 6 x 8 Inch Clean the surface of the terrarium Peel adhesive paper off back of the heater Stick the heater to the bottom/side of the tank Press it hard until it stick to the tank firmly Stick the rubber feet to four bottom corners Last plug heater in Ideal for use with reptile, amphibian, small animals or plant terrariums. Upgraded adhesive side sticks directly to your terrarium for optimum heat transfer AIICIOO UTH heaters range from 4 to 24 watts making them extremely economical to operate Can be used with a thermostat and/or in conjunction with an additional heat source for higher temperature species Optional mounting on button or side of your terrarium.