Essentials 7701P Responder Sst Remote For Python 990 & 950-Dei7701P RESPONDER SST REMOTE FOR PYTHON 990 & 950 REMOTE STARTER SECURITY SYSTEMS. SUPER DIGITAL CODE HOPPING. 4-BUTTON. 2-WAY SST TRANSMITTER. PROGRAM BUTTON ON BACK OF REMOTE ALLOWS EASIER REMOTE SETUP.