This Centurion remote has a Frequency: 433.92 MHzSecurity: Code-hopping (rolling code) encryption with billions of combinationsBattery Type: 12V DC (GP23 / A23 alkaline)Button Options: Available in 1, 2, 3, or 4-button variantsOperating Current: ~17 mACasing: Weatherproof and dust-resistant housing with silicone buttonsCompatibility: Works with Centurion operators like D5 Evo, D10, and SMART systems