Specifications:
Frequency range: 31.5Hz~8KHz
Response speed: 0.5 seconds
Microphone: 1/2 inches polarization capacitance microphone Liquid crystal display: 3 digits and a half
Resolution ratio: 0.1dB
Sound level: A -Sound level weight Range: 30~130dB
Precision: ±1.5dB (under the reference condition of 94dB and 114dB, 1KHz)
Automatic power off: About 16 minutes (no key operation)
Energy life: about 50 hours (alkaline battery); Operation temperature: 0~50℃ Operation humidity: 10%~80%RH
Storage temperature: -10~60℃
Storage humidity: 10%~75%RH
Accessory: 9V battery, instruction for use and windshield