Feature: --Pre-wired design: for easy and quick installation. --High quality: Environmental friendly plastic, wear resistant and durable. perfect choice for audio systems. --Super Loud: gives you a loud voice to warn others, and provides a certain degree of safety for driving --Extensive compatibility: the Horn is Suitable For Almost Any Vehicle! --Dimensions: 3.5 x 4 cm / 1.4 x 1.6 inch (h * d) Name: Tweeter Speakers Model: TP - 006 a Color: Black Material: plastic Rated power: 2 W Voltage: 12 V Maximum Audio Power: 500W Audio response: 5khz-20khz Impedance: 4 Sensitivity: 91 DB Signal to noise ratio: 105dB Magnetic circuit type: coil Dimensions: 3.5 x 4 cm / 1.4 x 1.6 inch (h * d) Net weight: 56 G Cable length: 27 cm / 10.6 in Packing list: 2* Tweeter Speakers 1 pack* screws Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. Manual measuring,please allow 1~3mm error,thank you.