ITEM NAME:New LCD Digital Fish Reptile Aquarium Tank Water/Indoor Thermometer Temperature Product Description Description: Features: Large LCD Display. Shows Aquarium & Ambient temperature. Selectable Temperature unit: C or F. Adhesive tape at back side for easy fitting to aquarium tank. Max & Min Temperature log. Specifications: Model: KT-902 Aquarium Temperature: -10℃~+50℃ (14℉~+122℉) Indoor Temperature: -50℃~+70℃ (-58℉~+158℉) Accuracy: Â ±1Â °C(2Â °F) Power supply: 1 x 1.5V Button cell(Included) Product Size: approx.80*40*10mm/3.14*1.57*0.39'' Package size: approx. 114*68*12mm Net weight: approx. 27g Gross weight: approx. 35g Operation Manual: 1. Tear down the adhesive tape of the item and paste it on somewhere you choose. 2. It needs to change Temperature unit on the first time or change the battery. Note: Please allow 1-3mm differs due to manual measurement. Due to the different display and different light, the picture may not reflect the actual color of the item. Thanks for your understanding. Included: 1 x Aquarium Tank Water Thermometer 1 x User Manual.Adhesive tape at back side for easy fitting to aquarium tank. Shows Aquarium & Ambient temperature. Aquarium Temperature: -10℃~+50℃ (14℉~+122℉). Max & Min Temperature log. Indoor Temperature: -50℃~+70℃ (-58℉~+158℉).