sonar wirelles -70m

2) Sonar & Radio
Depth Capability: 1-130ft/0.3-40m
Wireless Operating Range: 168ft/70m
Sonar Frequency: 115KHz
Sonar Beam Angle: 80deg @ -10dB
Radio Frequency: 433.9 MHz
Sonar Alarms: Fish /Shallow
3)Technical and casing
Built-in memory stores sonar settings when the unit is turned off
Temperature: Air temperature sensor included in main unit
Operational Temperature: From -10C to 50C (14F to 122F)
Sensor could shut down when the sonar sensor is out of water
Units: F/ft f/m C/ft c/m
Unit dimensions: 138mm x 69mm x 32mm
4)Power
Power Supply: 4XAAA Alkaline batteries
Sensor Battery Life: 550 Hours of in-the-water usage, Sensor battery can be replaced.
Handheld Battery Life: 45Hours continuous use
Handheld Power Off Automatically in 10 minutes without any using

2. Features
1)Switchable fish identification mode
2)Sensitivity: 0-100% adjustable range
3)Chart Speed: 0-100% adjustable
4)Multi Level Depth Range
5)"Freeze" screen at any time
6)Big/small fish identification
7)Fresh/salt water environment
8)Ture changing water bottom graph