Power Source: 3.7V Lithium-ion Battery
Sonar Frequency: Wireless: 125Khz
Detecting Range: 0.6-183 Meter
Sonar Coverage: 90 degrees
Display: 2inch TN/ANTI-UV LCD
Back lighting: White LED
Depth Capability: 137 feet( 45 m)
Sonar Frenquency: 125Khz
Waterproof design: Level-4 (spray-water-proof)