• Detecting Range: 0.6-36 Meter
• Sonar Frequency: Wireless: 125Khz
• Power Input: AA
• Sonar Coverage: 90 degree
• Power Source: 3.7V Lithium-ion Battery
• Language: English
• Depth Range: 2 - 118ft / 0.6 - 36m
• Sonar Radiation Angle: 90 degree
• Bluetooth Distance: 30m
• Operational Temperature: -10 - 60 Deg.C
• Mainframe: 3.7V rechargeable lithium-ion
• Charging Time: 3 hours
• Endurance Time: 6 - 8 hours
• Lifespan: 2 - 3 years
• Package weight: 0.234 kg 
• Package Size(L x W x H): 10.00 x 10.00 x 7.50 cm / 3.94 x 3.94 x 2.95 inches
• Package Contents: 1 x Wireless Sonar Sensor (Battery Included), 1 x English User Manual, 1 x Charging Cable

Features:

• Sonar fishing identifying technology: works in conjunction
• with smart phones and tablets, 
• detection data is transmitted to the phone in real time, allows
• you to map water beds, mark spots, 
• log water temps and depth, add lures, species and video in the trip log. 
• Free App on iOS or Android: "Fish Helper" syncs via Bluetooth smart to the device. Bluetooth connection 
• secures the distance between the device and its user up to 118 feet / 36 meters. 
• Fish alarm, noise filter, 90-degree sensitivity for the user to select, sonar frequency is 125KHz, depth up 
• to 118ft / 36m, with rechargeable 3.7V lithium-ion battery, the using time is up to 6 - 8 hours. 
• Lightweight and useful: weighing just 0.074kg and measuring 1.97 inches in diameter, the diminutive device 
• is suitable for every standard rods and lines. 
• Wide application: ideal for kayak, canoe fishing, ice fishing, works both in saltwater and freshwater, effective 
• at locating fish and structures on ponds

How to Use:

• Download the App "Fish Helper" file to your mobile phone (Android), then click to install, then a "Fish Helper" 
• App icon on your mobile phone
• Open the BT inside the "setting" of your phone. Click "Fish Helper" App and enter the main interface
• Throw the sensor the water, the water switch will power on the sensor. Click "setting", pop up setting interface. 
• After pairing, the product starts to work (the white LED is blinking)
• After the phone and the sensor connection, the device will automatically enter the last time mode. If you need to 
• detect, please confirm whether it is working mode. Otherwise, the device will not detect properly