【Compatibility】D21-H Replace Remote, fit for Vizio 2.1 Sound Bar: V21-H8R M21D-H8R V51-H6 M51a-H6 P514A-H6 M512a-H6 V51x-J6 M51AX-J6 M215A-J6 M512-H6 【NO Programming】Just add the batteries and it worked immediately. Batteries are not included（ 2* 1.5V AAA Batteries) 【Remote Distance】Infrared technology emits a strong signal at 180 degrees and within 12 meters (40 feet); Without Voice Function 【ABS material】This smart remote made of high quality ABS material to make this smart remote more durable. This replacement remote only comes with 0.10kg (0.22lb.),wear-resistant and durable. 【Lifetime Warranty & Exceptional Service】Doesn't match your equipment? Quality problem? Don't worry!! We offer 12-MONTH warranty, free exchange or refund)) D21-H Backlit Display Replace Remote fit for Vizio 2.1 Sound Bar V21-H8R M21D-H8R V51-H6 M51a-H6 P514A-H6 M512a-H6 V51x-J6 M51AX-J6 M215A-J6 M512-H6