Batteries Sold Separately
Originally supplied with models: 135MM, 135MN, 195MP, 195MPR, 195R, 21N52E1, 255MT

Battery Required : AAA Battery 2 pack
Guaranteed Compatible Universal : Anderic RRU401, Use code: 2687, 2697, 2725, 2732... (click here for programming instructions)
Dimensions: 2.00 x 6.00 x 1.00 (W x L x D, inches)