-07 is a fully waterproof handheld metal detector with display screen, which has high performance and high sensitivity. The switch can adjust three detection modes: sound, vibration and sound plus vibration. The product is equipped with a screen display, which can visually detect the battery power of the signal. The closer the metal is, the higher the signal indication is, and the operation is simple. The sensitivity distance for detect one-dollar coins is 8-9cm. Working environment: temperature -20℃-60℃ Detection mode: vibration and sound alarm. Net weight:330g Power Supply:1 x 9V battery (Not included batteries) Note:the color of the accessories of this product is random, and the specification is not accepted. Color:Green & Black Material:ABS + Metal Package Contents: 1set * -07 multi-function underwater metal detector Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.