Model E5YK BT04/05 Quantity 1 piece(s) per pack Color Black + white + brown + blue Material Plastic Specification Aquatic temperature measuring device easy installation. Aquatic temperature measuring device with double-sided adhesive easy installation. Correct water temperature is very important to the health of fish can timely provide you with accurate thermometer is warm is ideal for fresh water or salt water aquarium supplies. Other Features Round thermometer range: 18'C~36'C (18'C 20'C 22'C 24'C 26'C 28'C 30'C 32'C & 36'C) round size: 5cm; Square thermometer range: 18'C~34'C (64'F~93'F) size: 13 x 1.8cm Packing List 1 x Round thermometer 1 x Square thermometer