TIANXUN MD-3003 Handheld Body Scanner

TIANXUN MD-3003 Handheld Body Scanner Specs: Detection distance: 15cm-20cm The sensitivity is decided by the size, shape and the component of metal Technical Specifications: Battery: 9V battery or rechargeable battery Power: 270mW Operating frequency: 22 KHz Operating current: <50mA Operating voltage range: 7~9V Temperature range: -5℃~55℃ Net weight: 280g Size: 39.5（L）X6.8(W)X3.2(H)