Description Specifications: Model name: GP-POINTER Model number: POINETER Operating temperatures : - 37 to 70C / -31 to 158F Water and dust: IP 66 standards, meets IEC 60529 Tuning: Automatic Indicators: Proportional audio/vibration pulse rate Controls: Power switch Dimensions: Length: 9 inch (22.9 cm) Thickness: 1.5 inch (3.8 cm) tapered to 0.875 inch (2.2 cm) Battery: Single 9 V battery Product parameters: Alarm indication: Audio and vibration at the same time Sensitivity: 3 cm (for a RMB, one Yuan coin) Power supply: 9 V fold battery (6F22ND) (not included) Body size: 230 x 40 x 40 mm Net weight: 175 grams Gross weight: 238 grams Package includes: 1 x Hand held metal detector 1 x User manual 1 x Bracelet