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 

3. Package 
Carton size: 43x31x16cm 10PCS/carton 
G. W/N. W: 5kgs/4.5kgs