Digi-Code Wireless Fully-Programmable Keypad Handy for gardening or doing outside work when you wouldn't normally be carrying a transmitter. The keypads are a wireless unit, powered by a 9-volt alkaline battery. DC5202 (Dual-Tech) operates ALL 10 Dip Switch Stanley operators. (dip-switch) and 310MHz Digi-Code 1024 dip switch codes P.I.N. Number Entered and changeable by user