Product Name ICON PROTABLE FISH FINDER WITH WEED/ROCK INDICATOR Product Type FD01WR Product Description Simulation mode: Depth readings from 2.0 to 100ft0.6-30.4meters in 1/10th precision Weed and Rock indicator Green LED backlight Battery save mode Hi/Low sensitivity setting Fish depth scale Transducer: Side Hull Transform Mount or Float 200KHz Sonar Frequency 45-degree sonar beam angle 4 "AAA" Batteries