{"id": "kb-3mrd", "sku": "KB-3MRD", "mpn": "KB-3MRD", "name": "Aiphone KB-3MRD Master Monitor with Handset", "brand": {"name": "Aiphone"}, "manufacturer": "Aiphone", "description": "Improve monitoring with the Aiphone KB-3MRD, a 4\" master monitor supporting 4 sub units, 3 door stations, and two-way video communication.", "category": "Intercom Masters", "product_type": "simple", "url": "https://www.surveillance-video.com/audio-kb-3mrd.html", "canonical_url": "https://www.surveillance-video.com/audio-kb-3mrd.html", "image": {"url": "https://www.surveillance-video.com/media/catalog/product/k/b/kb-3mrd.jpg", "alt": "Aiphone KB-3MRD Master Monitor with Handset"}, "price": {"amount": 1040.51, "currency": "USD"}, "availability": "https://schema.org/InStock", "in_stock": true, "inventory_quantity": 4995, "condition": "https://schema.org/NewCondition", "availability_note": "Usually ships within 3-5 Business Days", "specs": {"power_consumption": "12V DC", "model": "KB-3MRD", "color_display_size": "4 inches", "connection": "Supports 4 sub monitors, 3 video door stations", "communication_type": "Two-way audio", "volume_control": "Adjustable chime and receiver volume", "illumination": "Built-in for low light conditions", "video_output": "Connector for DVR"}, "highlights": ["Clear and bright image with TFT(1) Color LCD monitor and DSP(2) for door station", "Selective room calling with handsfree reply at called station", "ALL CALL button", "Selective door release control with RY-3DL adaptor", "Max. 100m distance to farthest sub station w/monitor"], "documents": [], "reviews": {"review_count": 0}, "seller": {"name": "Surveillance-Video.com", "url": "https://www.surveillance-video.com", "phone": "800-955-5201"}, "schema_org": {"@context": "https://schema.org", "@type": "Product", "name": "Aiphone KB-3MRD Master Monitor with Handset", "sku": "KB-3MRD", "mpn": "KB-3MRD", "brand": {"@type": "Brand", "name": "Aiphone"}, "image": "https://www.surveillance-video.com/media/catalog/product/k/b/kb-3mrd.jpg", "description": "Improve monitoring with the Aiphone KB-3MRD, a 4\" master monitor supporting 4 sub units, 3 door stations, and two-way video communication.", "offers": {"@type": "Offer", "url": "https://www.surveillance-video.com/audio-kb-3mrd.html", "price": 1040.51, "priceCurrency": "USD", "availability": "https://schema.org/InStock", "itemCondition": "https://schema.org/NewCondition", "seller": {"@type": "Organization", "name": "Surveillance-Video.com"}}}, "updated_at": "2026-06-15T17:23:16Z", "_meta": {"cached": false, "response_time_ms": 689, "timestamp": "2026-06-20T06:44:22Z", "api_version": "2.0"}}