Echo 50
Echo 60
Dimensions
3.2cm * 38cm
Frequency
10 frequencies: 4kHz
– 31kHz
Depth Range
Normal power: 40m
High power: 50m
Power
18650 rechargeable lithium battery
261020 lithium battery
18650 (3.7V)
Normal power: 20 hours
High power: 5 hours
261020 (3.7V)
Normal power: 60 hours
High power: 15 hours
Temperature
Under 121°C
Battery Voltage
2.8V
– 4.2V
Dimensions
3.2cm * 48cm
Frequency
10 frequencies: 4kHz
– 31kHz
Depth Range
Normal power: 40m
High power: 60m
Power
(2) 18650 rechargeable lithium batteries
(2) 261020 lithium batteries
18650 (3.7V)
Normal power: 50 hours
High power: 12 hours
261020 (3.7V)
Normal power: 160 hours
High power: 40 hours
Temperature
Under 121°C
Battery Voltage
5.6V
– 8.4V
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