Echo sounder

Good all! This is my first review. although this is the second echo sounder purchased from this seller. The price is just great cheaper in Russia NO.
In general, the Sonar liked already ordered another 2. Successful purchases!
Sounder bought as a gift for the Test - Fisher
ask questions (I will clarify and answer as far as possible)

few photos
Sounder designed for professional fishermen,so for lovers. Can be used on any pond where there is a fish. It will help determine the location of the fish and the depth of the reservoir. It is useful not only for fishing but also when moving around the pond in case of danger of running aground, it will give the user a corresponding alarm signal.

The main functions of the echo sounder:
Sonar with Sonar sensor + 9 meters of cable
Display: 2 "TN / Anti-UV" LCD
Backlight: green LED
Sensor - Viewing Area: 45 degrees (200kHz)
Depth: 0.7 m to 100 m (2 feet by 328 feet)
Sensor Range: 45 degrees
SONAR Cable Length: 7.6 m
Operating Temperature: -20 ° C to + 70 ° C (-4 ° F to 158 ° F)
Power: 4 x AAA batteries (not included)
Certification: CE
Dimensions: L: 120 x W: 67 x D: 25 (mm)
Contents of delivery
Portable Fish Sonar Fish Finder with screen
Round sonar sensor with 7.6 meter cable
Bolt
Wing nut
Neck strap
Instructions - English
in Russian - narod.ru/disk/38525382001/fd01wr.pdf.html
and brief - narod.ru/disk/38525476001/fd01wr_short.pdf.html

Technical characteristics of the echo sounder: Simulation mode
Display Size: 38 × 38mm
Screen backlight (with the ability to turn off)
Depth measurement: 0.7-100m (accuracy 0.1m)
Reduced battery consumption mode
IPX4 waterproof design
Battery Charge Indicator
Choice of measurement: foot or meter
Setting the mode of high / low sensitivity
Beep on detecting fish
Fish detection depth scale
Bottom structure display
Scan Frequency: 200KHz
Scan angle: 45 degrees.
Cable length: 7.6 m
Operating temperature: -20-70 degrees. WITH