30 days return. Buyer pays for return postage. If you use an eBay delivery label, it will be deducted from your refund amount.
Condition:
NewNew
Photoelectric retro-reflective sensor, autocollimation. Housing design (light emission). Type of light. Output current Imax. Visible red light. Light source. Light spot size (distance). The item in the actual use of the process of quality problems.