{"product_id":"sound-detector-portable-hand-crank-alarm-plastic-shell-manual-operated-air-raid-alarm-ultra-sound-detector","title":"Sound Detector Portable Hand Crank Alarm Plastic Shell Manual Operated Air Raid Alarm ultra sound detector","description":"\u003cdiv\u003e\u003cspan\u003e\u003cp\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e           The hand-operated alarm is a hand-operated sounder that does not require power support. It is called differently due to local differences (manual alarm, manual alarm, manual alarm, portable alarm, no power alarm) .   \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e        The utility model comprises a handle, a gear speed increasing mechanism, a clutch slider, a fixed wheel, a sound wheel, a sound window cover, a gear box body and a box frame, wherein the handle is connected with a driving shaft of the gear speed increasing mechanism, and the output shaft of the gear speed increasing mechanism passes The pin is connected to the clutch slider, and the clutch slider is frictionally connected with the flange of the impeller. The purpose is to provide power to the alarm by shaking the handle without the need for power support. The size of the sound depends on the hand speed.   \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e        It is divided into a fixed hand alarm and a portable hand alarm from the style and use.   \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e    \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e     Features: \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e          Hand-operated sirens are lightweight, easy to carry, detachable, and sound an alarm when the handle is held.       The hand-cranked alarm plays an active role. When the power and traffic are blocked, other mobile alarms cannot enter the alarm area, and the portable and convenient hand-crank alarm becomes a very convenient and practical alarm.       Widely used in factories, schools, military units, flood prevention, natural disasters, open-air military camps, air defense, mountain rescue and seaside anti-ship, forest fire prevention, flood control, fire protection, prisons, reservoirs, ships, mines, plains, pastures, gas stations , airports, forest farms, hotels, hotels and other emergency venues.       The essential items for emergencies in any place can effectively provide timely warnings and reduce people's property losses and casualties.       The plastic case makes the alarm lighter and more convenient to carry.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e      \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e    \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e    Specifications:   \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e    Condition: Brand New\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e Material: ABS\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e Color: Red + Black\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e Package Weight: Approx. 705 g\/ 24.9 oz\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e Size: Approx. 18.6 x 18.6 x 17.0 cm \/ 7.3 x 7.3 x 6.7 in\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e Output frequency: 550±20\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e Sound level: 110±2 (Class A) at a radius of 1 meter   \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e       \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e    Package List:   \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e    1 * Handheld Alarm   \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e    1 * Storage Bag   \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e   \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003c\/span\u003e\u003c\/div\u003e","brand":"mickcara","offers":[{"title":"000","offer_id":40912507535497,"sku":"1100207-1","price":77.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0365\/2131\/2393\/products\/a39918fd300b93ed13e2bbed703fbd30.jpg?v=1666856084","url":"https:\/\/mickcara.com\/fr\/products\/sound-detector-portable-hand-crank-alarm-plastic-shell-manual-operated-air-raid-alarm-ultra-sound-detector","provider":"mickcara","version":"1.0","type":"link"}