FORCEFUL - On crowded streets, where flashing emergency lights are not always obvious, the SoundAlert siren always gets noticed. Equipped with a 100W amplifier; wail, yelp, and hi-low tones; and an electronic air horn, this unit commands attention. | MORE CONTROL - Other systems give you the basics, our's gives you the best. With two 20 amp, on/off auxiliary switches, this unit is more than just an authoritative auditory warning device, it's the backbone of your entire emergency warning system. | HORN OVERRIDE - Finally, a siren system that focuses on your safety. Thanks to the integrated horn override function that activates your air horn with your stock horn button, you can keep your eyes on the road, and your mind on the task at hand. | RADIO REBROADCAST - Stay informed, even when your not in your vehicle. The helpful radio rebroadcast feature takes input from any other radio and routes it through your siren's loudspeaker so you can hear your GMRS, CB, or HAM radio wherever you are. | COMPACT POWER - At just over 2" thick, this extra slim siren speaker easily fits on your bumper or behind your grille, and with its street clearing 118 - 124 dB rating, it gets respect wherever it goes.

1.[ Wireless Keyboard and Mouse Combo ]- The 2.4GHz Transmission Technology can provide anti-interference stable transmission and make sure you to enjoy the wireless freedom, just plug and play, no driver or software required. The 2.4GHz technology ensures a strong and reliable connection within 10-meter working range.The USB receiver is plugged into the battery compartment of the mouse. Connect a keyboard and mouse with just a nano receiver | 2.[ Full Size Wireless Keyboard ]- **Note: the 12 Multimedia shortcuts are not compatible with Mac system.** Standard US layout (QWERTY) with number pad, each key is independently and appropriately spaced to prevent hitting the wrong key simultaneously. 12 multimedia hotkeys combined help you to play music and movie, browse the web, open email and more, extremely convenient and efficient | 3.[ Mute Wireless Mouse ]- This Cordless mouse provides whisper-quiet clicking, never worry about disturbing others to rest while working or playing. DPI adjustable mouse delivers 3-level of DPI (800/1200/1600) to cater for your different needs in sensitivity | 4.[ Long Battery Life ]- The ergonomic wireless keyboard is powered by 2 AAA battery, and the wireless mouse is powered by 1 AA batteries (batteries are not included). Both mouse and keyboard have an on/off switch, turn them off when not use. save battery life and reduce battery replacement | 5.[ Warranty and Support ] - Vivefox can offer you 1 year worry-free warranty and 30 days no reason money back! Without hassle.If you have any questions, please feel free to contact us