Power: 120V AC/13.8V AC 1.25mA, UL listed adapter provided
Dimensions: 210mm x 159mm x 45mm (8.25" x 6.25" x 1.75")
Environmental: 0° C to 32° C (32° F to 90° F) with 5% to 95% non-condensing humidity
Connections: (1) RJ21X, (1) 3.5mm (1/8") audio jack and cable, (1) 2.5mm (3/32") control jack and cable, (2) RJ-14 type multimodule interconnect