Technical Pro Megaphone 75W Portable 3000ft Range Rechargeable with Siren The MPH40 is a powerful pistol-grip megaphone great for outdoor announcements. It comes fitted out with a switchable siren collapsible handle and a trigger control. For convenience the microphone detaches from the back of the megaphone to give you even more freedom. To allow you to connect smartphones and other storage devices the MPH40 also comes with a standard 1/8 AUX input. The Technical Pro MPHBattery is universal and compatible with most large megaphones including Pyle Seismic and Ampli-vox. The Technical Pro MPHBattery is simple and user friendly with a built-in AC wall charger which opens and closes for convenience and an LED indicator to let you know its fully charged. Features: Great for making announcements at parties and medium-size venues Higher powered model so you can reach more people with your announcements Detachable handheld mic gives you additional freedom Extended battery capabilities give you more playtime Peak Power: 75 Watts Input: Aux 3.5mm Up to 5 Hours of continuous use Battery: 8C batteries or rechargeable battery (Model: MPHBATTERY) Antifeedback Microphone ABS construction and ergonomic pistol grip Handheld or shoulder strap (included) Police Siren Volume Control Dimensions (L x W x H):9.2 x9.2 x14 Battery Features: Designed to Work Technical Pro ER66 Megaphone Models Built in AC Wall charger LED charge status indicator Automatic charge Charge lasts for approximately 5-8 hours. Built-in rechargeable battery fully charges in approximately 4-6 hours For maximum battery life the battery should be fully charged prior to its initial use Dimensions (L x W x H):4.5 x 1.5 x 2.7