Specification Brand : FIYA BulletPoint1 : Rated Voltage: 5V; Working Temperature: -20C to 45C; Storage Temperature: -20C to 60C BulletPoint2 : Sound Output: More Than 85DB; Working Voltage: 3-7V; Country of Manufacture: CHINA BulletPoint3 : Material: Plastic, Metal; Net Weight: 20g; Package Content: 15pcs x Electronic Buzzer BulletPoint4 : Main Color: Black,Silver Tone; Body Size: 12mmx8mm/0.47''x0.31''(D*H) BulletPoint5 : Terminal Pitch: 5mm/0.2"; Impedance: 16ohm (Pitch Terminal: 5mm / 0.2' '; Impedancia: 16ohm ItemName : IIVVERR 15pcs DC 5V 2 Terminals 16ohm Impedance Passive Stereo Electronic Buzzer 12x8mm (15pcs DC 5V 2 Terminales 16ohm Impedancia Pasivo Estéreo Electrónico Zumbador 12x8mm ItemTypeKeyword : security-sirens Manufacturer : IIVVERR Material : Other ModelNumber : d976edb0811e935e299957c4658f36 PartNumber : 200404180059749 PowerSourceType : hand-powered ProductDescription : IIVVERR 15pcs DC 5V 2 Terminals 16ohm Impedance Passive Stereo Electronic Buzzer 12x8mm (15pcs DC 5V 2 Terminales 16ohm Impedancia Pasivo Estéreo Electrónico Zumbador 12x8mm Plastic housing,2 terminals,convenient for connecting. They have good characters like small cubage, low wastage and high voice pressure. Function:It is applied to a variety of electrical products of alarm and voice. Please note a passive buzzer needs an external oscillation circuit to operate. Carcasa de plástico, 2 terminales, conveniente para la conexión. Tienen buenos caracteres, una pequeña presión de voz de baja pérdida. Función: Se aplica a una variedad de productos eléctricos de voz de alarma. Tenga en cuenta que el zumbador pasivo necesita un circuito de oscilación externo para funcionar.