What detector am I using!?

[Merlin cadogan]

I have owned a whites underwater metal detector for about 10 years. I bought it second hand, and after talking to an older wiser detectorist yesterday I am unsure what model I have.
The coil says amphibian 2 on it, and it is a whites detector. I had thought it was a surf master 2. Does anybody have any thoughts? Is this a pulse induction machine? Any information would be helpful. It's got a yellow shaft, and the control box has volume/off switch and a descrimination switch. Many thanks

 

[Tom Slick]

I say you have a SurfMaster II. It's VLF and the coil was marked Amphibian because it's waterproof.

 

[MANDAD76]

I say you have a SurfMaster II. It's VLF and the coil was marked Amphibian because it's waterproof.

Second that....good freshwater unit

 

[Merlin cadogan]

Thanks very much guys for your posts, I guess it is a surf master 2 then. It's been an amazing detector for over 10 years. So light, tough and easy to use. It's found me my income for a couple of weeks after a knee operation before I could go back to work, it's found gold, silver, and many many coins, not to mention a fair few ring pulls, washers, bullets and It's even found a