Accurate temperature monitoring in a compact design: measures temperature reliably with a 5 cm diameter housing, so you can check conditions quickly and confidently where it matters. Battery-free and portable: requires no batteries, making it simple to use, move, and maintain — take it between rooms, vehicles, or workspaces without extra parts. Easy to mount or hang: built-in hanging hole on the back lets you suspend or attach the unit quickly, saving space and providing a stable, visible position for ongoing monitoring. Versatile and family-friendly: suitable for use by all household members and adaptable to many environments — from everyday rooms to specialist storage. Key attributes: Function: temperature measurement Compatibility: cars, reptile enclosures, bedrooms, living rooms, pharmacy refrigerators, and other indoor spaces Size: compact 5 cm diameter Power: battery-free, fully portable Installation: rear hanging hole for mounting or hanging Practical use scenarios: In the car: hang or place the unit to monitor cabin temperature during travel or when parked. For pet habitats: mount inside reptile enclosures to keep track of ambient temperature for animal comfort and safety. At home or work: position in bedrooms, living rooms, or pharmacy refrigerators to ensure storage or living spaces stay within desired temperature ranges. What this solves: Eliminates guesswork about room or storage temperatures with a dedicated, easy-to-read device. Removes the need for batteries and frequent replacements, reducing upkeep. Fits in tight spaces thanks to its small diameter and hanging option, making monitoring convenient and unobtrusive.