Detecting Range: 0.6-36 Meter
Sonar Coverage: 90 Degrees
Sonar Frequency: Wireless: 125Khz
Power Source: No. 7 Battery
Brand Name: Erchang
Power Input: AAA
Language: Russian/English
Type: F3
TYPE1: Wireless Portable Fish Finder
Features: Depth Indicator
Sonar Frequency: 125kHz
Operating Temperature: -5 ~ 40 degree C
Type2: Professional Dot Matrix Wireless Fish Finder
Language : Russian and English