Almost unlimited amount of gadgets, to name a few:
Rolex/Seiko/Omega Seamaster Wristwatch
Standard wristwatch complete with several different gadgets ranging from lasers, communication devices, homing beacons, explosives, etc. Made standard to all 00 Agents and has aided and saved Bond in several dangerous situations. Former 00 Agent Alec Trevelyan also uses a watch similar to Bond's
Aston Martin DB5
Signature vehicle of James Bond, as seen in several films all containing various Q Branch gadgetry.
A number of Bond films have portrayed MI6 and their opponents to experiment with Laser Technology. Laser gadgets could be small enough to fit on one of Bond's many Q-Branch watches to industrial sizes being fitted on various types vehicles and air/spacecraft.
Used to identify and possibly remove or utilize hidden listening or other surveillance devices within a potentially hostile suite.
Beretta 418, Walter PPK, Walter P99, Walter PPK/S.