Let me get this straight, you think that your client, one of the wealthiest and most powerful men in the world, is secretly a vigilante, who spends his nights beating criminals to a pulp with his bare hands, and your plan is to blackmail this person? Good luck.

 It emits a high-frequency pulse for mapping an environment and records a response time. Like a submarine, Mr. Wayne. Like a submarine.

Now, for high altitude jumps, you'll need oxygen and stabilizers; but I must say, compared to your usual requests, jumping out of an airplane is pretty straightforward. I'd recommend a good travel agent.