Best Adjustable Speed Drive

External DVD Drive , External CD/DVD Drive for Laptop USB 3.0 Portable CD/DVD +/-RW Drive/DVD Player for Laptop CD ROM Burner Compatible with Laptop Desktop PC Windows Linux OS Mac Black

【Widely applicable】:External cd/dvd drive for laptop is compatible with Windows 98 / SE / ME / ME / 2000 / XP / Vista / Windows 10/8/7 / Mac ios . Especially suitable for PC, Macbook, Netbook and Ultrabook without drive hardware..
【High Speed USB DVD Drive 3.0】:External cd/dvd drive for laptop adopted burning technology, external cd/dvd drive for laptop supported DVD+R, DVD-R, CD-ROM, DVD-ROM, CD-R, CD-RW. Max DVD read speed 8X.
Max CD read speed 24X and max CD burn speed 8X. Our external dvd drive is compatible with USB3.0 and backwards compatible with USB2.0 USB1.0, bringing you faster data transmission speed (max 5Gbps), plays music and movies with no lag or distortion..
【Plug and Play】:external dvd drive No need for driver and external power supply, powered by USB port. The external CD/DVD drive can be used to watch DVD movies, listen to music, create backup discs, burn movies/music, and you can use it without installing software.
【High-speed transmission】: This external dvd drive is compatible with USB3.0 and backward compatible with USB2.0 and USB1.0, thus providing you with faster data transmission sp....

163cc, 5.5 hp Engine and features 2-wheel drive and centrifugal clutch.
Bigger Tires, Larger Frame, Live Axle, Two-wheel Drive, Electric Start w/Pull Start Back Up.
Adjustable Sports Seat, Adjustable Pedal, Five Point Safety Seatbelt.

HSP 1/10 Scale Electric 4WD Drift Car 100% Ready To Run 4 Wheel Drive，it has 2000mAh 7.2 V NiMh high-capacity battery and charger.Let you have faster speed and leave them behind..
Full proportional 2.4GHz radio controlled system performs with no signal interference.3 Way Electronic Speed Controller with Brake and Reverse Factory Installed Servo Saver quick brake response.Make your car always waiting for your instructions..
Upgraded RC 540 Race Motor，Light Weight Alloy Drive Shaft，Light Weight Aluminium Alloy High Intensity Upper Plate，Front and Rear Differentials with Bevel Gears，you can free collision and it is not easy to damage.Let you fly freely on the field..
Full 4 Wheel A-Arm 100% independent Adjustable Suspension.Aluminium Cap Oil Filled Adjustable Shock Absorbers ,Adjustable height ,Adjusts the tilt direction and angle. The new model has a lighter and smaller front wheel and gearbox..
Equiped with extra Drift Wheels, you can change the original racing wheels to enjoy the excitement for drift. This rc car also featues cross wrench for installing tires.Equipped with Stickers , you can DIY the car body shell..

WIDELY OPERATING RANGE:Input:DC 10-60V,max drive current is 6A,Maximum wattage is 300W,PWM pulse width adjustable range: 10%-100%.
ADJUSTABLE KNOB:DC brush motor speed driver is designed with a voltage adjustment knob, very convenient for voltage control., DC output stepless adjustable..
WIRING TERMINALS DESIGN: The wiring terminals adopts fence type design and is with safety cover, and there is wiring marks on each terminal, please follow the marks when you are wiring..
SPECIFICATION:Small Size:0.4×3.9×2.4inch, DC motor speed controller has high precision, wide speed controlling range, low power consumption and long service life.
OCCASION:Pwm dc motor speed controller widely used for speed governing device drivers of packaging, printing, electronics, instrument meter, clothing machinery, medical machinery and other industries.

Self-propelled: rechargeable two-stage snow blower.
Illuminated display: LEDs indicate direction, speed selection, battery power levels.
4-Speed: digital drive system (3-speed XPORT for rapid return at the end of a snow-clearing run).
Steel auger: moves up to 1000 lbs. of snow per minute.
cuts a path 24 in. Wide by 13 in. Deep without damaging surface.
Thumb-control: 180° auto-rotate adjustable Chute throws snow up to 32 ft..

✅LIGHT WEIGHT & HEAVY DUTY- Comparing most 4 wheel scooters, our scooters are much lighter because it has a sturdy one-piece frame and it’s made of special natural material. It means you can fold up the scooters to carry out with less strength especially when you break your leg or your arm..
✅ Adjustable Convenience - The seat is swivelable and backrest and armrest are foldable. The height of the seat, the angle of the tiller, the width of the armrest are all adjustable.

Economical motor drive provides hands-free celestial tracking for small telescopes.
Cordless DC servo motor works on Orion EQ-1 and Min-EQ mounts.
Adjustable drive speed control knob allows precise tracking of both solar system and deep-sky objects.
Ideal for short-exposure piggyback and planetary astrophotography with small telescopes.
Requires 9V battery, which provides approximately 35 hours of motorized operation.

Supports three 3.5" SAS / SATA hard drives and speed up to 12Gbit/s with tray-less and screw-less design.
Supports one 2.5" hard drive and up to eight 3.5" hard drives.
Adjustable LED hard drive indicator and fan speed.
One 180mm Air Penetrator fan included for excellent system cooling.
Removable motherboard tray and top panel design.Easily removable filters.Abundant cable management space behind motherboard tray.Includes custom CPU cooler supporter.

-This 4wd RC car seizes on the extended wheelbase as much as that on 1/10th scale big RC trucks. This off-road desert truck makes the best use of its advantages in practice such as independent suspensions with spring-tension adjustable shocks, serviceable spare wheel, user-friendly body clips, and DIY body decals. The thick and substantial chassis carries an efficient 4wd drive train. The compact chassis design outshines many other hobby RC trucks and even gas powered RC cars..
-This fast RC car is driven by a large 550 motor which realizes a top speed of up to 42km/H. Hammered out in standardization to hobby grade RC cars for adults, it employs full sintered metal gear diff. (front, center, and rear) and full metal drive shafts. It is the center diff. that to a great degree reduces side sliding in movement. Ball bearings throughout the entire drive train minimize the power loss. Proves easy to drive and handle, and is suitable for beginners and RC toys lovers..
-Full-function proportional 2.4Ghz radio system permits a 280-feet control range. After binding one by one, the 2.4Ghz system allows for players running fast RC cars to race without any signal interference. Speed Knob with 40-100% throttle speed setting is ingeniously customized for beginners, ....