SNDWAY Wall-mounted 30~130dB Large Screen Digital Display Noise Decibel Monitoring Testers, Specification:SW525G with Storage + USB GreenItem: SW525A(red light) SW525B(red light) SW525G(green light) SW526A(red light) 1. Screen size: 9. 6 inch (SW526A 18 inch) 2. Measurement range: 30 130dB 3. Accuracy: + 105dB 4. Frequency response: 31. 5Hz~8. 5Hz 5. Microphone: 6 mm condenser microphone 6. Digital display: 3 digits 7. Power supply mode: DC 5V 1A Micro USB interface 8. Working temperature and humidity: 0 ~ 40 degrees, 10% ~ 80% RH 9. Storage temperature and humidity: 10 to 60 degrees,

Compatible with Fire TV Stick/headphones/USB hard drive/games/camera/phone/tablet/desktop computer/amplifier

the detection data can be seen more clearly

Frequency range: 50-16000HZ

Handsfree one click answer for incoming calls

Portable external monitor suitable for 11

Universal rotating head

Each function has independent chip control to ensure efficient operation

Carton Size 48cm * 36cm * 28cm / 18

Zipper closure allows for easy and simple opening and closing

Lamp beads: ceramic core x 3 18 x 2835 SMD lamp beads

Extreme speed up to 60 MB / S (400X) ideal for faster continuous burst shooting and rapid transfer to your computer

Number of control channels: 1 channel normally open/normally closed contact