Thank you for viewing! ☆(=^ェ^=)☆ ❤️Price negotiation → Highly welcome ⭐️First come, first served ⭐️Initial defect warranty included A must-have for camping and car camping! This is a compact carbon monoxide checker. It's an essential item for the coming season, ensuring safety when using wood stoves or gas heaters inside tents, or for car camping. It's palm-sized and easy to carry, with a clean white design. 【Product Features】 • 3-in-1 function: Measures and displays not only carbon monoxide concentration, but also temperature and humidity simultaneously. • High-precision sensor: Updates values in real-time and alerts you with an alarm when dangerous concentrations are detected. • Long-lasting battery: Built-in 1000mAh battery. USB rechargeable, so there's no need to replace batteries. • Backlight: The values are clearly visible even inside a dark tent (energy-saving design that automatically turns off after 1 minute). 【Product Specifications】 • Brand: HAKINAKU • Model: HD09 • Color: White • Measurement range: CO 0-999ppm / Temperature -10℃〜50℃ / Humidity 0-95%RH • Accessories: Main unit, USB charging cable, strap, instruction manual (English), warranty registration card • Condition: New, unused (opened once for inspection and photography) 【Shipping】 • Carefully packaged and shipped within 24 hours. • Immediate purchase OK! ❤️I have many other wonderful products for sale♡ ↓↓Further discounts available for bulk purchases (=^x^=)↓↓ #YueShop Management number: 463-$$1180