Product description
? Operating temperature: -37 to 70°C / -31 to 158°F
? Water and dust resistance: IP 66 compliant according to IEC 60529
? Metrics: Proportional audio/vibration pulse rate
? Length: 9 inches (22.9 cm)
? Thickness: 1.5" (3.8cm) tapering to 0.875" (2.2cm)
? Battery: Single 9 V battery
Alarm indication: sound and vibration at the same time
Sensitivity: ≥3 cm (for RMB, one yuan coin)
Power supply: 9 V folding battery (6F22ND) (not included)
? 1 x Handheld Metal Detector