Hand Alarm

Hand operated alarm mainly used in the condition of no power supply, it can provide effective warning to avoid danger or emergency. Hand operated alarmcan be used in coast guard, camping, public building, school, fire protection, flood warning, residential district, factory, football game, musik spielen, etc. Features: 1.Light weight& Small volume; 2.Convenient to carry; 3.Competitive price. 4.Broad-spectrum 5.OEM&ODM are all welcome. Technical parameter: Sound level: 110±2 Output frequency: 550±20 Net weight: 1.2kg Material: ABS plastic Packing size: 15.5(L)*14.5(W)*16(H)cm Effective scope: 500m