Price: Product Features: 1. Two operation modes: full metal mode, recognition mode 2. Volume adjustment: adjust the volume of speakers…
Price: Product Features: 1. Two operation modes: full metal mode, recognition mode 2. Volume adjustment: adjust the volume of speakers…
Price: Specifications:1. Power: 1 x 9V (6F22)2. Frequency: 5.0 KHz3. Current: Static: 10mAMaximum: 70mA4. Voltage: 7.2-9.6V5. Sensitivity: US 25 Cent:…