One transmitter with two frequencies

Two mainstream frequencies are available in one receiver: 18k/29k

Normal mode and strong mode are available. 

Depth can reach up to 40 meters.

Change frequency underground

Frequence：8k/12k/19k/30k

Power supply: Rechargeable lithium battery or C-cell

Voltage：3.7V

Depth range：25m, 30m, 40m

Transimt mode: Normal mode, strong mode

Roll:1-12 clock position with one hour resolution

Pitch：0.1% resolution

Maximum temperature：Under 85°C

Weight：0.75kg

Waterproof：IP67

Receiving frequencies: 18k/29k

Power supply: Rechargeable lithium battery

Voltage:14.8V

Battery capacity: 5000mAh

Graphic display: Full-colour LCD

Weight: 3.3kg

Waterproof: IP65

Radio Frequency：33GHz

Communication distance：500-800m

Voltage：14.8V

Power：Rechargeable lithium battery

Stand-by time：48 hours

Battery capacity：3000mAh

Weight：1.5kg

Waterproof：IP65