https://www.asus.com/displays-desktops/projectors/portable/asus-zenbeam-e1r/

ASUS ZenBeam E1R mini LED projector – 200 LED lumens, WVGA (854x480) resolution, automatic portrait projection mode, built-in battery for up to 4-hour portable video playback , power bank, USB Type-A, HDMI Automatic portrait projection mode* makes it ideal for viewing social media content Enables up to 100-inch projections at 2.7m and includes auto vertical keystone correction and tripod socket for convenience Light source of 200 LED lumens with native WVGA (854 x 480) resolution and also supports FHD content Built-in battery: Enables up to four hours* of video playback

Model ASUS ZenBeam E1R Display Display Technology: DLP
Light Source: LED
LED Lifespan: 30000 hours
Resolution(Native): 854x480 (WVGA)
Maximum Input Resolution: 1920x1080
Brightness: 200 Lumens
Contrast Ratio: 500:1
Color Saturation(sRGB): 120%
Display Colors: 16.7 M Projection Lens Throw Ratio: 1.2:1
Projection Distance: 0.5m~3.7m
Projection Size: 16"~120"
Projection Offset: 100%± 5%
Zoom Ratio: Fixed
Focus: Manual Video Feature Splendid: Bright Mode
Splendid: Standard Mode
Splendid: Theater Mode
Splendid: ECO Mode
Splendid: SOS Mode
Splendid: Flashlight Mode
Keystone Adjustment: Yes, ±40° (Vertical)
Auto Keystone: Yes
Aspect Ratio: 16:9
Aspect Ratio: Auto
Projector Placement: Front Table
Projector Placement: Rear Table
Projector Placement: Front Ceiling
Projector Placement: Rear Ceiling
HDCP Support: Yes Audio Feature Speaker: Yes(2Wx1) I/O Ports HDMI: x 1
USB-A: x 1 (Power output 5V/1A, USB WiFi dongle)
Audio Out: Yes WiFi WiFi: Yes (Dongle/TV Box) Power Consumption Power Consumption (Max.): <45W
Power Standby Mode: <0.5W Battery Battery Capacity: 5700 mAh
Battery Life (Max.): 4hrs Acoustic Noise (max) Acoustic Noise (Standard): 30dBA
Acoustic Noise (ECO/Low): 28dBA Operation Condition Operation Temperature: 0°C~40°C
Operation Humidity: 20%~90% Mechanical Design Chassis Color: Silver
Ceiling Mount Hole: Yes Dimensions Phys. Dimension (WxHxD): 108 x 84 x 29mm
Box Dimension (WxHxD): 210 x 135 x 100.5mm Weight Net Weight: 310g
Gross Weight: 1050g Accessories (Vary by regions) Carrying Bag
HDMI Cable
USB-C Cable
Adaptor
Power Cord
Warranty Card
QSG
User Manual (Web)
WiFi Dongle: Yes Note *USB WiFi dongle is vary by different regions