Built-in Loudspeaker Built-in omnidirectional Microphone Noise Suppression and Echo Cancellation 7-Inch colorful display Physical button HiK Vision provides you 7 inch colorful display to view clear video along with built-in loudspeaker and omnidirectional microphone adding noise suppression and echo cancellation resulting clear hearing of sound. Cost of electrical wiring, labor, conduit and accessories additional. Cost of Installation Rs. 2000 (includes Site visit, Consultation, Equipment Installation,Configuration, Testing & Client Training) Brand HIKVISION SKU 100864172_NP-1021392712