Shenzhen Tonglixing Cor. based in Shenzhen, China. We are member of TradeKey.com since May, 2013. Our business is related to Electrical & Electronics Supplies industry and we specifically deal in thermometers, hygrometers, voltmeters. Please find our product details below: Wireless/Indoor Outdoor Digital Thermometer Hygrometer Clock 1.LCD clock function 2.Desk and wall mounting 3.Automatic Min/Max Memory 4.temperature selectable unit: C/F Mini Square Digital Thermometer 1.lcd display 2.embedded installation 3.high accuracy 4.suitable for all kinds of aquarium, swimming pool and fish tank Thank you for taking time to go through our business profile. If there are any questions, inquiries or comments, please feel free to contact us.