Portkeys BM5 IV WR 5.5-Inch HDMI/SDI Touchscreen Monitor with Camera Control

The Portkeys BM5IV WR is a powerful 5.5-inch daylight-viewable monitor engineered for demanding filmmakers and camera operators who need reliable performance in challenging lighting conditions. With a brightness of 2000 nits, this rugged monitor ensures crystal-clear visibility even under direct sunlight. Its Full HD LCD panel displays accurate colors with support for 100% Rec. 709 and 85% DCI-P3 color gamuts, making it perfect for both field monitoring and post-production review. This is a monitor built for precision, clarity, and control on set.

The BM5IV WR provides extensive I/O connectivity including HDMI 2.0 and 3G-SDI inputs and outputs, with embedded audio monitoring. Whether working with DSLRs, mirrorless cameras, or cinema cameras, the monitor supports a wide array of video formats including DCI 4K and UHD 4K over HDMI, along with 1080p and 720p through SDI. Built-in signal conversion between HDMI and SDI provides seamless flexibility when switching signal types. Users can also upload LUTs and control camera settings directly from the monitor using wired or wireless methods.

Beyond its hardware capabilities, the BM5IV WR is packed with professional monitoring tools including waveform, vectorscope, false color, focus peaking, zebra, anamorphic de-squeeze, and more. Wireless camera control support for select models adds even greater utility. A durable aluminum alloy body and support for both 7–24V DC power inputs and Sony L-Series batteries make this monitor a portable workhorse for any professional video production environment.

Key Features

• 5.5" Full HD 1920 x 1080 LCD touchscreen
• 2000 nits maximum brightness for daylight visibility
• Supports 100% Rec. 709 and 85% DCI-P3 color gamuts
• Wireless and wired camera control capabilities
• HDR support and professional monitoring tools (Waveform, Vectorscope, LUTs)
• HDMI and SDI I/O with HDMI to SDI and SDI to HDMI conversion
• Compact, rugged aluminum alloy body
• Powered by 7–24V DC input or L-Series battery

Technical Specifications

Panel Type: LCD
Display Size: 5.5" / 14.0 cm
Native Resolution: 1920 x 1080
Aspect Ratio: 16:9
Viewing Angle: Horizontal: 178°, Vertical: 178°
Touchscreen: Yes
Maximum Brightness: 2000 nits / cd/m²
Contrast Ratio: 1000:1
Color Support: 16.7 Million Colors (8-Bit+FRC)
HDR Support: Yes
Color Gamut: 100% Rec. 709, 85% DCI-P3
LUT Support: Yes
Image Controls: Anamorphic De-Squeeze, Check Field, False Color, Focus Peaking, Histogram, Vectorscope, Waveform, Zebra

Video I/O: 1x HDMI 2.0 Input, 1x HDMI 2.0 Output, 1x BNC (3G-SDI) Input, 1x BNC (3G-SDI) Output
Embedded Audio: HDMI/SDI
Audio I/O: 1x 1/8" / 3.5 mm Headphone Output
Power I/O: 1x Aviation 4-Pin (24 VDC) Input, 1x LEMO 2-Pin (24 VDC) Input
Other I/O: 1x 5-Pin Serial Input, 1x USB-A (Firmware/LUT Upload), 1x Mini-USB (Camera Control)
Media/Memory Card Slot: No

Wireless:
Wi-Fi: Yes
Bluetooth: No
Mobile App Compatible: No

Video Format Support (HDMI):
DCI 4K: 60/59.94/50/30/29.97/25/24/23.98
UHD 4K: 60/59.94/50/30/29.97/25/24/23.98
1080p: 60/59.94/50/30/29.97/25/24/23.98
1080PsF: 29.97/25/24/23.98
1080i: 60/59.94/50
720p: 60/59.94/50
576p: 50
576i: 50
480p: 60/59.94
480i: 60/59.94

Video Format Support (SDI – 4:2:2 YUV):
1080p: 60/59.94/50/30/29.97/25/24/23.98
1080PsF: 30/29.97/25/24/23.98
1080i: 60/59.94/50
720p: 60/59.94/50

Video Format Support (SDI – 4:4:4):
1080p: 30/29.97/25/24/23.98
1080PsF: 30/29.97/25/24/23.98
1080i: 60/59.94/50
720p: 60/59.94/50

Video Signal Conversion: HDMI to SDI, SDI to HDMI

Input Power: 7 to 24 VDC
Battery: 1x L-Series Mount on Fixed Plate
Power Consumption: 17 W (Maximum)

What’s Included

• Portkeys BM5IV WR 5.5" Monitor
• L-Series Battery Plate (Integrated)
• LEMO to D-Tap Power Cable
• USB Drive for Firmware and LUT Upload
• Camera Control Cable (Mini-USB)
• User Manual