Battery Not Included: This device does not come with a battery, ensuring you can choose the optimal battery type for long-lasting performance. Ideal for those who prefer specific battery or rechargeable options. and Build: Crafted with , this detector boasts a compact design measuring, making it easy to handle and operate. DIY Friendly: Tailored for electrical , this detector is user-friendly and requires no professional installation. A great tool for homeowners looking to monitor their indoor air quality themselves. Chemical Safety: Contains no high-concern chemicals, making it a choice for your home environment. Perfect for households with children, pets, or individuals with chemical sensitivities. Advanced Sensing Technology: Features a sensitive range of 0~1.999mg/m³ for formaldehyde concentration with a resolution of 0.1, ensuring accurate and reliable readings to help maintain a healthy indoor environment., Weight: 0.31415872335 pounds, Manufacturer: Ehwisbe