What are the technical specs of the Deeper Fishfinder 3.0?

Size: 2.5" / 6.5 cm 

Weight: 3.5 oz / 100 g;

Construction: ABS;

Smart Device Compatibility: Android 5.0 or later, iOS 12.0 or later.

Sonar Type: Dual beam; Sonar frequencies: Narrow beam 290 kHz (15°) / Wide beam 90 kHz (55°);

Sonar scan rate: up to 7 scans per second;

Connection: Wireless Bluetooth connection;

Bluetooth Range: up to 130 ft / 40 m*;

Max Depth Range: 130 ft / 40 m;

Min Depth Range: 2 ft / 0.5 m;

Temperature measurement: Water temperature Sensor; Temperature units: Celsius / Fahrenheit;

Operational Temperature Range: -20 to +40 C, -4 to +104 F;

Battery: Lithium Polymer, 3.7V Rechargeable;

Recommended Power Adapter: 110V / 240V Micro USB.

* Bluetooth range can vary depending on smartphone or tablet model and weather conditions.