10 pc Hexagon Key Wrench Set (Allen Key) sim 808 GND: Ground

GND:   Ground

DC Brushless Fan

Operating Temperature Range: -40°C to +85°C

which means that it will buzz at a predefined frequency (2300 ±300 Hz) on its own even when you just apply steady DC power

3 X AA Battery Holder with Cover and switch with 10 cm cable

10 pc Hexagon Key Wrench Set (Allen Key) sim 808 GND: GroundIntroduction : Hex Wrench Allen Key kit Features a Full variety of Durable Hexagonal Allen wrench Drivers, with the most common inch hex sizes needed handy to remove and install most socket cap screws found in cars, furniture, bicycles, Guitar equipment, Shaft collar, even pick locks, and even more. Features : Eight Different standard sizes. 1. 5 mm 2 mm 2. 5 mm 3 mm 3. 5 mm 4 mm 5 mm 6 mm 8 mm 10 mm