This handheld decibel reader is a practical sound level meter designed for outdoor noise measurement. Made of sturdy plastic, it is durable and can serve for many years. With its compact size (14.50X5.00X2.50cm/5.70X1.97X0.98in) and light weight, it is easy to carry for on-the-go use. Color: as shown Material: Plastic Battery: 3 × AAA batteries (Included) Frequency response: 31.5Hz-8KHz Measuring range: 30-130dB Accuracy: ±1dB (94dB@1KHz) Display resolution: 0.1dB Operating conditions: 0-40 degree centigrade, 10-90%RH Storage conditions: -10 to 60 degree centigrade, 10-75%RH Features high accuracy (0.1dB display resolution) for precise results, a large screen for easy reading, and versatile applications including environmental noise monitoring, industrial noise control, etc. Sturdy plastic construction resists deformation and breakage, ensuring a long lifespan. Package list: 1 × decibel meter