Features: Detects both fish location and depth in both fresh and salt water Built-in Water Temperature Sensor in wireless sonar sensor Detects Water Bottom Contour (grass, sand and rock) in the sea Detects big and small fish or groups of big and small fish Adjustable Sonar sensitivity setting v...

This Russian Version,watch type fish finder is a combo unit that allows you to choose either Wireless fish finder user mode or Clock user mode. Detects both fish location and depth in both fresh and salt water. User selectable meter (m) or feet (ft) readings and °C or °F temperature unit. Display F...