1.About waterproof.it need to make some explanation.
now there is many pinpointers in market.can be roughly divided into two categories.one is waterproof.another is not waterproof.so before placing an order.please make sure you need waterproof or not waterproof metal detector.
2.About waterproof level.
Currently market most of pinpointer is IP66 level waterproof.so it can't really go to work underwater.
IP68 level waterproof.it is really waterproof.it can go to work underwater within limited depth.
HS-07 metal detector IP68 waterproof level is 35meters/114.829ft .
Metal detector waterproof HS-07 another feature.its detection head can be rotated about 90 degree.so that can go narrow space to detect.
Dear Buyer.if want to use machine immediately when received metal detector.you need to own one pcs 9v battery.（This product does not contain batteries）
Detection methods: sound, vibration, sound plus vibration
Powered: 9V battery ( Batteries not included )
Working environment: temperature -20 ℃ -60 ℃
Detection distance: coins 8-9CM!
Detection orientation: 360 degrees
1 * Metal Detector ( Batteries not included )
1 * User Manual