Even in total darkness you can read the minutes and seconds on GraLab's Model 300 Darkroom Timer. It is used in industrial/commercial photo labs, graphic arts, printing, hobbyist darkrooms and is probably the most popular darkroom timer of all time.

Set by seconds, minutes or a combination of the two, GraLab's exclusive dual-cam system gives you exact timing over long intervals.

Two, three-wire receptacles can control an enlarger or printer and safelight with a combination time/focus switch.

Rubber base pads, wall mounting keyholes and a recessed hand grip on the 7-1/2" x 7-1/2" x 2-1/2" polycarbonate case give you multiple placement choices.

Plastic boot over power switch prevents corrosion from chemicals or water

Buzzer automatically signals end of cycle

Large 6.5" diameter face with easy-to-read glow in the dark numerals

Three wire grounded cord

Model 300 withstands high impact, resists chemicals and moisture, and is electrically nonconductive.

Related Questions and Answers

Q: 1. What sizes of paper print borderless?

A: The Canon imagePROGRAF PRO-300can print 4" x 6", 5" x 5" (Square), 5" x 7", 8" x 10", Letter (8.5" x 11"),11" x 17" (Ledger) and 13" x 19" (A3+) borderless.

Q: 2. Does the PRO-300 play well with MacOS Big Sur? I've had issues with the PRO-100 and Big Sur

A: Yes, the Canon imagePROGRAF PRO-300 13" Professional Photographic Inkjet Printer BH #CAIPP300 is fully compatible with Big sur.

Q: 3. Can this print a 16x20 photo? The 200 can correct?

A: The Canon imagePROGRAF PRO-300 13" Professional Photographic Inkjet Printer BH #CAIPP300 can print up to 13'' x 19''. It would not work to print a 16 x 20.

Q: 4. I have experienced difficulties with other printers connecting to Wifi. Are there any known issues with the Pro-300?

A: There aren't any while reported issues with WiFi on this printer.

Q: 5. What size are the ink cartridges for the PRO-300 and where do they fit in the printer?

A: 14.4 ml each ink, total of 10 colors. They probably fit on the printhead the same way as the Pro 10. here's a link for the inks: https://www.bhphotovideo.com/c/product/1576409-REG/canon_4192c007_pfi_300_ten_color_ink.html

Q: 6. How fast does it print 5x7 matte or luster color photos?

A: Canon does not list print speeds for that size with the Canon imagePROGRAF PRO-300 13" Professional Photographic Inkjet Printer. The only speeds they list are the following: 11" x 14"in Bordered Color Photo (A3+): up to 2 Minutes 50 Seconds. 8" x 10"in Bordered Color Photo (A4): up to 2 Minutes 45 Seconds.

Q: 7. About how much ink is left in "starter" cartridges after initial set-up? Thanks.

A: I'm very sorry but Canon does not specify this information.

Q: 8. How is this different or better from the PRO-10, which has better resolution (4800x2400) but costs the same or less?

A: The PIXMA PRO-10 uses Canon's Lucia pigment inks and the imagePROGRAF PRO-300 usesLucia PRO pigment ink tanks. The imagePROGRAF PRO-300 can also printer without boarders.

Q: 9. Can the photos be signed with a sharpie without causing problems with the ink used in this printer?

A: Yes, you can use a sharpie with photos printed with the Canon imagePROGRAF PRO-300 13" Professional Photographic Inkjet Printer and they will not be damaged.

Q: 10. Can you use other than canon paper. I have been using all different paper on my Pixma pro 10 for 5 years no problem. The profiles are on my computer, will this printer have same access to ice profiles.?

A: As the printer is new, there will not be so many profiles so quickly, but eventually there will likely be many.