Genie 2 Button Keychain Garage Door Opener Remote Engineer Hammer Variable Speed Number of Tools Variable Speed Number of Tools (Bonus Tool Not Included) 1 Battery Size 20 volt Voltage (volts) 20 Product Weight (lb Maximum pressure 120 PSI Safety and security when you are on the move equipped with Intellicode rolling code technology that prevents unauthorized persons from opening your garage door by automatically changing the access code every time you use it Easily programs up to 2 Genie Intellicode garage door openers Strong secure dual frequency signals minimize interference and improve performance Includes a powerful flashlight that puts off greater than 20 lumens of light Genie genuine accessories and parts for guaranteed performance Includes lanyard LED flashlight