Infrared Wireless Conference System TS-902 Delegate Unit The TS-902 is a Delegate unit of the Infrared Conference system. Since the system is cordless, it can be easily installed and removed. It can be operated on either the AD-0910 AC adapter ( optional) or the BP-900 lithium-ion battery ( optional) . It is equipped with a remaining battery indicator. Two types of dedicated microphones are made available for the TS-902 as optional products: the TS-903 standard type and the TS- 904 long type. Features - Voting function - Gooseneck Microphone options: TS-903 Standard ( 14.5" ) TS-904 Long ( 20.4" ) - Talk button - Adjustable monitor volume - Built-in speaker automatically turns off when microphone is activated - Headphone output - Power options: BP-900 rechargeable lithium-ion battery ( requires BC-900UL charger) AD-0910 AC power adapter www.visitelecom.asia