Hardware
Night captures & IR: low-glow vs no-glow
Most camera-trap captures happen at night. The type of flash decides how good those images are, and whether the camera itself is visible.
Trail cameras light the scene one of three ways. The choice trades image quality against how noticeable the camera is — to animals, and to people.
- White flash — full-color night images, the best detail for species ID. But it is a visible burst of light that can spook wary animals and clearly marks the camera's position.
- Low-glow IR (850nm) — a faint red glow at the LEDs. Good detection range and reasonable image quality, at the cost of a dim glow that a person (or a sharp-eyed animal) may notice up close.
- No-glow IR (940nm) — effectively invisible; no visible glow at all. The trade-off is shorter range and slightly softer images, and it draws a little more power for the same reach.
Which to choose
For general monitoring where the camera location is not sensitive, low-glow is a solid all-rounder. For skittish species, sensitive sites, or anti-poaching work where the camera must not be spotted, no-glow is worth the softer image. White flash suits fixed, secure locations where color detail matters most.
Whatever the flash, night shots are where the AI works hardest — partial animals, motion blur, and low contrast lower confidence, which is exactly what the review queue is for.
