The NICE FLO1 has a 1 channel programmable code transmitter
Please ensure your existing remote has a BLUE case with 1 BLUE button and a row of 10 white switches inside.
If the case is black and doesn't have a row of switches inside, you will need the Nice Flo1R
Comes complete with instructions
Batteries: 12Volt 23A (included)
Dimensions: L - 7.2cm W - 3.8cm D - 1.4cm