| Type of display | Poly-silicon TFT active matrix |
| Resolution | BrightLink 436Wi:
1280 × 800 pixels (WXGA) BrightLink 421i: 1024 × 768 pixels (XGA) |
| Lens | F=1.80
Focal length: 6.48 mm |
| Color reproduction | Full color, 16.77 million colors |
| Brightness | BrightLink 436Wi:
Normal Power Consumption mode: White light output 3000 lumens (ISO 21118 standard) Color light output 3000 lumens ECO Power Consumption mode: White light output 2100 lumens (ISO 21118 standard) BrightLink 421i: Normal Power Consumption mode: White light output 2500 lumens (ISO 21118 standard) Color light output 2500 lumens ECO Power Consumption mode: White light output 2000 lumens (ISO 21118 standard) |
| Contrast ratio | 3000:1 with Auto Iris on and Normal Power Consumption mode |
| Image size | BrightLink 436Wi:
WXGA: 53 to 116 inches (1.34 to 2.94 m) with wall mount: 68 to 113 inches (1.73 to 2.87 m) BrightLink 421i: XGA: 50 to 108 inches (1.27 to 2.74 m) with wall mount: 63 to 106 inches (1.60 to 2.69 m) |
| Projection distance |
21 to 48 inches (0.54 to 1.22 m) |
| Projection methods | Front, rear, wall, or ceiling-mounted |
| Optical aspect
ratio
(width-to-height) |
BrightLink 436Wi:
16:10 BrightLink 421i: 4:3 |
| Focus adjustment | Manual |
| Zoom adjustment | Digital |
| Zoom ratio
(Tele-to-Wide) |
1:1.35 |
| Internal sound system | 16 W monaural |
| Noise level | BrightLink 436Wi:
37 dB (Normal Power Consumption mode) 29 dB (ECO Power Consumption mode) BrightLink 421i: 35 dB (Normal Power Consumption mode) 28 dB (ECO Power Consumption mode) |
| Keystone correction angle | Vertical: ± 7º
Horizontal: ± 5º |
| USB Type B port compatibility | USB 1.1 and 2.0 compliant for USB Display or external mouse |
| USB Type A port compatibility | USB 1.1 and 2.0 compliant port for USB device input or EPSON document camera display |