GBHJJ Metal Hand Crank Siren, Hand Crank Siren Horn, Hand Loud Crank, Emergency Safety Manual Siren, Portable Hand Held Siren Horns Alarm

Description

• Sturdy Aluminum AlloyMade of durable aluminum alloy. The handle and lever fold down for easy carrying in the included fanny pack.
• Powerful SoundThis hand-operated lightweight siren emits a loud, adjustable sound at a universally recognized 120 decibel sound.
• NO POWER SUPPLY REQUIREDHand crank siren is a manual winch driven bomb shelter siren. Produces a loud demodulated sound of 120 decibels.
• Working principleBy manually rotating the handle, the transmission of the gear is accelerated step by step to achieve the purpose of sounding. The sound depends on the rotation speed of the handle.
• Scope of ApplicationGreat for attracting attention at camp, school while having your favorite team at a sporting event or anywhere you want an effective warning sound without electricity.

Features:
Working principle: By manually rotating the handle, the transmission of the gear is gradually accelerated, so as to achieve the purpose of sound. The sound depends on the rotation speed of the handle
NO POWER SUPPLY REQUIRED: The Hand Siren Crank is a manual air defense siren with a winch drive. Produces a loud demodulated sound of 120 decibels

Specification:
Product Name: Hand Alarm
Product color: green
Sound pressure level: 120 2 dB (A)
Product material: aluminum alloy shell
Sound frequency: 600 20 Hz
Hand direction: clockwise
Transmission range: 2000m range.
Application fields: engineering, school, military, flood control, natural disasters and other emergency situations

packing list:
1 * hand crank alarm

If you have any questions before purchasing the product, please contact us by email, we will give you a satisfactory answer. Happy shopping.

Shipping and Returns

• We offer tracked shipping on all orders. Tracking information will be shared as soon as the order is dispatched.
• Please check the delivery estimate before adding a product to the cart. This is displayed for every product on the website.
• Available shipping methods and charges will be displayed at the time of checkout, depending on your exact location.
• All customers are entitled to a return window of 14 days, starting from the date of delivery of the product(s).
• Customers are advised to read our return policy for details of the return process, eligibility, refunds as well as cancellations or exchanges.
• In case of any issues or concerns about Shipping or Returns, please contact us and we will be happy to help.