Features 1、Wired, sturdy and durable heat resistant plastic materials, moisture proof, shock‑resistant capacity. 2、Mature circuit design. Large noise power and low voltage, safe to use 3、Red wire must be connected to positive electrode, the black wire must connected to negative electrode 4、With strong iron stand for fixing, firm and convenient 5、Great for outdoor and indoor security systems.You can easily install it into the vehicle or at home. Also it is suitable for industrial use Specifications Description: Our electronic siren has loud sound. It is easy to set up and made of durable materials, long service lifespan. Wired, low-voltage,sturdy and durable heat resistant plastic materials, moisture proof, shock-resistant capacity, anti-seismic single tone.Mature circuit design. Large noise power, great for outdoor and indoor security systems. You can easily install it into the vehicle or at home. Also it is suitable for industrial use. Worth buying! Features: Wired, sturdy and durable heat resistant plastic materials, moisture proof, shock-resistant capacity, anti-seismic single. Mature circuit design. Large noise power and low voltage, safe to use. Red wire must be connected to positive pole, the black wire must be connected to negative pole. With strong iron stand for fixing, firm and convenient. Great for outdoor and indoor security systems.You can easily install it into the vehicle or at home. Also it is suitable for industrial use. Specifications: Condition: 100% Brand New Shell Material: Plastic Rated Working Voltage: DC 12V Rated Working Current: ≤750mA Working Voltage Range: DC 6~15V Output Pressure: 110±3dB/m (at12V DC / platform test / 30m3 space) Continuous Working Period: ≥120 Min (at DC 12V) Working Temperature: -20℃~+60℃ Voice Coil DC Impedance: 6 ± 0.5Ω Sound Type: Single (IC Sound Source) Size: Approx. 4 x 4.6 x 6cm / 1.6 x 1.8 x 2.4inch Quantity: 1Pc Package Weight: 65g Package Included: 1 x Electronic Wired Alarm Siren Horn for Security System Note: Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering. Package List