DETAILS

• Generates new code each time you push the button these codes never to be repeated.
• 99.99% works with most brands of garage door openers.
• Ideal replacement for older or obsolete models.
• Electronic scanners "code grabber" cannot duplicate the operating code.
• Easy to install & program.
• Works as a secondary receiver (both original existing receiver and 838 receiver will work simultaneously).
• Two button transmitter operates two or more garage doors.
• Additional receiver sold separately.
• 12V alkaline battery included.