E4 Experience: Vivitek Shows DH3660Z and DU9900 WUXGA Projectors, NovoDS 4K and Novo Touch Display May 5, 2022 | Home / May 5, 2022 rave-video / E4 Experience: Vivitek Shows DH3660Z and DU9900 WUXGA Projectors, NovoDS 4K and Novo Touch Display E4 Experience: Vivitek Shows DH3660Z and DU9900 WUXGA Projectors, NovoDS 4K and Novo Touch Display