A new air raid siren only cranked a couple of times to test
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Handmade Titanium Crankset MTB Crank ARMS Immortal Ti Crank Mountain bike Crank arms Road Bike Crankset Titanium MTB Parts
Aliexpress UK
Type:LK-100A Handheld Siren. 1 x Handheld Siren. The desired alarm effect is achieved by simply manually shaking the handle clockwise at a primary speed (50-80 revolutions per minute), producing a majestic sound with a large shock and long wavelength.
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Bicycle fitness generator pedal generator training table cycling table charging battery exercise hand crank power generation
Aliexpress UK
Specifications: Type:LK-100B Handheld siren Material: aluminum alloy Operation: manual hand lever operation Color:Green Sound output: 110 ± 2 (dB) Audio frequency: 550 ± 20 (HZ) Transmission range: 1000 (Φm) Height: 23 cm Outer diameter: 11.5cm Package size: 23*18*18cm Package weight: 2.
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Hand Crank Can Opener Hand Crank Bottle Opener Multifunctional Opener Kitchen Gadgets For Weak Hands Seniors Comfortable Handle
Aliexpress UK
No power source is needed, and the simple handle operation generates a powerful 120dB sound, making it effective for signaling in any situation.
eBay
BUCKLOS E-bikes/indoor Bicycle Crank Arm 152/170/175mm MTB Road BMX Bike Crankset Square/Diamond/Spline Left Hand Taper Crank
Aliexpress UK
Specifications: Type:LK-100B Handheld siren Material: aluminum alloy Operation: manual hand lever operation Color:Green Sound output: 110 ± 2 (dB) Audio frequency: 550 ± 20 (HZ) Transmission range: 1000 (Φm) Height: 23 cm Outer diameter: 11.5cm Package size: 23*18*18cm Package weight: 2.
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Bicycle Crank Pedal Thread Tap High Speed Steel Left Right Hand Thread Repair Drill Bits Road Bike Crankset 9/16 Wire Tap Tools
Aliexpress UK
Fit for: Universal fitting: It will fit any road vehicles Siren Compatible with most major car alarms and Rightclick alarms. Specifications: OE Number: SIR1TBB01 Product Material: Metal Colour: Black Loudness: 120 dB Operating Voltage: 12 volts Packaging Weight: 267 g Packaging Sizes (cm): 16 x 11 x 7 NOTES: The packaging sizes may be slightly off due to manual measurement, different measurement methods and tools. Features: *Warning .
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Classic hand crank household bread slicer
Aliexpress UK
Type:LK-120 Stand Siren. 1 x Stand siren with removable bracket. The desired alarm effect is achieved by simply manually shaking the handle clockwise at a primary speed (2500 revolutions per minute), producing a majestic sound with a large shock and long wavelength.
eBay
MUQZI 9/16-20 Right Left Hand Thread Tap HSS 9/16'' - 20 TPI Bicycle Crank Tool Bike Crank Repair
Aliexpress UK
The sound of the portable manual siren can cover 1000 (Φm) away;. Type: LK-100A Handheld Siren. 1 x Hand Crank Siren. Hand‑held alarm is easy to operate, just turn the handle to sound the alarm;. The hand crank alarm is small, lightweight, portable and easy to install.
eBay
Bicycle Crank Pedal Thread Tap High Speed Steel Left Right Hand Thread Repair Drill Bits Road Bike Crankset 9/16 Wire Tap Tools
Aliexpress UK