Key benefits No battery required: maintenance and economical to operate. Door and window thermometer with a pointertype dial for easy, ataglance readings. Measures outdoor temperature quickly and accurately, helping you plan your day. Includes a suctionpanel thermometer for window mounting, providing flexible placement options. Product features Function: outdoor temperature measurement with a clear pointer dial for fast reading. Compatibility: designed for door and window use; suctionpanel thermometer is suitable for window installation. Installation: no tools or batteries required; suction panel attaches securely to glass. Design: compact and unobtrusive, ideal for homes, offices, and small spaces. Performance: reliable, simple temperature indication suitable for everyday monitoring. 23 practical use scenarios Before leaving the house: attach the suctionpanel thermometer to a window to quickly check outdoor temperature and dress accordingly. Indoor monitoring: place the door/window thermometer on an interior door or window frame to observe outdoor conditions from inside. Greenhouse or porch monitoring: keep the suctionpanel thermometer on a window to monitor temperature changes affecting plants or exposed areas. General home use: use on any door or window to maintain awareness of outdoor temperature for comfort and energy planning.