{"product_id":"hand-crank-siren-125db-loud-adjustable-volume-waterproof-aluminum-alloy-manual-operated-sound-alarm-for-emergency-od-green","title":"Hand Crank Siren 125dB Loud Adjustable Volume Waterproof Aluminum Alloy Manual Operated Sound Alarm for Emergency OD Green","description":"Features\n1??EASY TO USE: Hand crank siren consists of a handle and an internal mechanism. With quick rotation of the handle, the mechanism generates a high frequency acoustic vibration that emits a strong alarm sound. The sound transmission range is large and penetrating. \n2??ADJUSTABLE VOLUME: The volume of the hand crank alarm is adjustable, the size depends on the speed of the handle rotation, the faster the speed, the louder the sound. Pressing the trigger opens the blades and the alarm will sound louder. \n3??STURDY AND DURABLE: This hand crank sound alarm is made of aluminum alloy structure with rustproof paint on the outside, which is more sturdy and wearable, waterproof, durable and has long service life. \n4??NO POWER SUPPLY REQUIRED: Manually operated, no installation required, easy to carry. The hand crank horn can provide effective alarms where there is no power support and can be used for emergency alarms at unexpected times to quickly attract the attention of others. \n5??APPLICABLE SCENARIOS: It is widely used in various scenarios, such as emergency alarms in case of sudden fire, attack, and emergency for help. The hand crank alarm can also be used as a self guard tool for deterring potential attackers or attracting help from others.\nSpecifications\nItem Type: Hand Crank Siren\nMaterial: Aluminum Alloy\nBase Size: Approx. 140 x 50mm \/ 5.5 x 2.0in\nHole Spacing: Approx. 110 x 28mm \/ 4.3 x 1.1in\nProduct Size: Height 328 x 195mm \/ 12.9 x 7.7in\nGross Weight: Approx. 4266g \/ 9.4lb\nCommunicate Mode: Sound Transmission\nAlarm Type: On Site Alarm\nVolume: 125dB(A) at 1m\nSound Frequency: 600??20Hz (Depends on the rotation speed)\nEffective Range: Diameter 2000m\/6562ft\nApplication: Widely used in factories, homes, schools, oil depots, warehouses, flood control, disaster relief, public and industrial places, to sound alarms timely in emergency situations and reduce casualties and property loss.\nPackage List\n1 x Hand Crank Siren\n1 x Handle","brand":"mickcara","offers":[{"title":"Default Title","offer_id":44237284769929,"sku":"8575213288054","price":169.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0365\/2131\/2393\/files\/4y9v.jpg?v=1749204678","url":"https:\/\/mickcara.com\/products\/hand-crank-siren-125db-loud-adjustable-volume-waterproof-aluminum-alloy-manual-operated-sound-alarm-for-emergency-od-green","provider":"mickcara","version":"1.0","type":"link"}