Garmin Striker Cast GPS Fish Finder

Type: Castable sonar device with built-in GPS (pairs with STRIKER Cast app on iOS/Android)
Weight: 75 g
Water Rating: Floatable, IEC 60529 IPX7
Battery: Rechargeable built-in lithium-ion; 10 h typical use; charge time approx. 1.5 h
Power Adapter: 5.5 V, 1.0 A (not included) — standard USB wall outlet, computer port or vehicle charger
GPS: Built-in — supports Quickdraw Contours mapping (1 ft / 0.3 m contours)
Sonar Frequency: 260/455 kHz
Sonar Depth Range: From less than 0.6 m to 45 m
Sonar Beamwidth (oval): 260 kHz: 22° x 63°; 455 kHz: 9° x 14°
Connectivity: Wi-Fi 2.4 GHz @ 7.78 dBm max
Wireless Range: 60 m (affected by water conditions)
Included Tether Length: 5 m
Compass-Safe Distance: 2.54 cm
Operating Temperature: -20° to 60°C
Charging Temperature: 5° to 40°C
Usage: Freshwater and saltwater, including ice fishing; cast with 20 lb test line or heavier