Indoor Outdoor Window Thermometer No Battery Required Transparent Dial Weather Thermometer Accurate Readings for Home Office Patio

Self-adhesive window: The transparent temperature gauge can be mounted on the outside of the window pane so you can read the outdoor temperature from inside the room.\nRemovable: The thermometer is removable which makes recalibration easy to clean and recalibrate.\nNo battery requirement: Without the need for batteries, the thermometer is economical, environmentally friendly and can be easily attached to the window with an adhesive sticker.\nHighly sensitive precision bimetals: The transparent temperature gauge has integrated highly sensitive precision bimetals to record temperature changes.\nTips: Do not place the window thermometer directly in sunlight, the light energy is converted into internal energy which gives a higher temperature. You can turn the dial left and right to recalibrate in case of small value differences. If the value difference is large in an abnormal situation, pry off the back, there is a calibration screw that you can also recalibrate with.