BATTERY IS NOT INCLUDED WITH THIS UNIT. PLEASE BUY ACCORDING TO THE DESCRIPTION. DSC PowerG PG9901 Wireless Indoor Siren with Strobe Light The PG9901 Wireless PowerG Indoor Siren is a fully supervised, cost effective siren that provides differentiated audible and visual alerts in the case of fire, carbon monoxide, burglary and flood events. In addition to providing a loud audible alert, the PG9901 also contains a built-in high-power white strobe light providing a visual alert of the event. With its sleek and modern design, the PG9901 will fit Details: Brand New Missing Battery Tested Working Device Only No Other Accessories Compatible with PowerSeries Neo, PowerSeries Pro and Qolsys panels Item is BRAND NEW CONDITION Item comes exactly as pictured. If it is not in the picture, it does not come with the item unless stated in the description. You may not receive the exact unit pictured, but one in similar condition. Check compatibility with your system. We are not responsible for incompatibility or improper installation. 20% RESTOCKING FEES AND SHIPPING WILL BE CHARGED. IF ITEM IS FUNTIONAL OR INCOMPLETE. Your feedback is extremely important to us! If you are satisfied with our service please take the time to give us positive feedback. We tremendously appreciate it! We strive for your complete satisfaction. Likewise, if you have any issues, please contact us first, and we promise we will do our best to satisfy your needs and solve the problem. If we resolve your problem, we kindly ask you to still leave us positive feedback. Your kindness will be extremely appreciated!