Thank you for viewing! ^ ^ ✨Fast shipping! (Within 24 hours)✨ Follow-up discount available (100 yen)! Feel free to comment if you have any price negotiations(*´꒳`*) New product Unused and unopened! °.＊〜〜〜〜〜〜〜〜〜〜〜〜〜〜〜〜＊.° Product dimensions: 3 depth x 7.3 width x 7.5 height cm Product weight: 70 grams [3-in-1 Multifunction CO Checker / Designed for Outdoor Use] This is a 3-in-1 specification that can simultaneously measure carbon monoxide concentration, temperature, and humidity. Designed for outdoor environments, it supports stable operation even in Japanese camping scenes where moisture, cold, and condensation are likely to occur. *This product is not a carbon monoxide checker for indoor installation.