F13 New sonar fish finder

a. In essence, the air pressure plate is added to the product to determine whether it is suitable for fishing. Generally, about 1000 PA is the more suitable air pressure for fishing b. There is a choice of fish size settings c. Original sonar to detect terrain (bow map) (this function is generally used for more expensive products) d. Split screen function (local magnification) e. The probe can be suspended on the nesting boat (specially verified) f. The appearance of the product adopts two-color mold, and the overall appearance is more advanced