Check the listing for details. Optex Wireless 2000 Repeater (TR-20U) [Open Box]. Color: N/A, Condition: Open box. Listed at 92.30 USD. Extends Wireless Range By Up To 1,000 Feet The Optex Wireless 2000 Repeater adds approximately 1,000 feet of wireless range between your Optex Wireless 2000 receiver (RC-20U) and Optex transmitters. The repeater supports up to four transmitters, and indicates each channel's status with multiple LEDs. This unit is compatible with the Optex Motion Sensor (TD-20U), the Handheld Transmitter (TS-10U), and the Door/Window Transmitter (TC-10U).Extends wireless range for 4 transmittersPush button switches to select functionLow battery and zone status LED indicatorsPowered by AC adaptor (included)ContentsRepeaterAC AdaptorMounting ScrewTechnical DetailsManufacturer Part #: TR-20UUPC: 788924040233Power Source: 9VDC (Exclusive AC Adaptor)Power Consumption: 3W Max. (Including AC Adaptor 120V, 60Hz)Status Indicator:Power: GreenChannel: Red x 3Frequency: 418MHzOperating Temperature: 15 to 120° F (-10 to 50° C)Installation Location: IndoorsWeight: 6 ounces (170g)Warranty: 2 YearCondition Note This product is brand new; however, we did ship it to a previous customer who promptly returned it. The product is still in great condition, but the original box may be damaged or missing. We are selling this as is, with no returns.