The 3GS control panel works with the 3GS Keypad Node (model 3850).

Expandable to 32-Zone Control Panels

Touch
Intuitive Touchscreen

32-Zone Wireless Fixed LCD Keypad
Powered by 2 "AA" batteries, with built-in backup battery (PA6 is optional)

10-Zone Hardwired LED Keypad Module (Vertical)

Analog Single-Optic PIR (18kg/40lb Pet Immunity)

Outdoor High-Security Digital Motion Detector Module

High-Security Digital Motion Detector with Pet Immunity

Quad Element Digital Motion Detector

Dual Element Digital Motion Detector