Originally supplied with models: 21CX31B501, 21CX31B511, 27CX22B501, 27CX22B521, 27CX313B, 27CX31B, 27CX31B501, 27CX31B511, 27CX81B, 27CXX31B, 27XC31B, CLU418U2HIX, CZHT2771DT, CZHT2772DT, MZHT2771DT, ZHT2772S
Battery Required : AA Battery 2 pack
Dimensions: 2.00 x 6.00 x 1.00 (W x L x D, inches)