Home / Control Panels / Accessories / Keypads and Displays / Simplex 636-820 Simplex 636-820 $52.21 Keyboard 4010 Availability: Estimated 6 - 8 Business Days Simplex 636-820 quantity Add to cart Request a Quote This product is already on your Quote Request Browse your Quote Request Factory NewBrand: Simplex FireAlarm.com Part #: 72491 Categories: Accessories, Control Panels, In Stock - NX, Keypads and Displays Manufacturer Part #: 636-820 Specifications Information Weight 1.00 lbs Brand Simplex Condition New