KY-008 Laser Transmitter Module:Operating voltage:5VOutput wavelength:650 nm3 pins moduleSize: 15 * 24mm

Laser Receiver Sensor Module:Supply Voltage: 5V.Size: 15.2x22.2mm/0.60x0.84Inches.Output:Output high level when there is laser irradiation.Output low level when no laser irradiation.When the laser irradiation, the high level action relay module does not operate.Relay module action with high level action when laser front irradiates: relay module action with high level action when laser back irradiates.

Note:Manual measurement, with small error. Please check size in detail before purchase.Real colors may slightly differ from the pictures, as it depends on specific monitor settings and light brightness.We highly appreciate all customers opinions to improve the selling, also if anything you unsatisfied, please contact us for probable best solution.

Package Includes:1 x KY-008 Laser Transmitter Module1 x Laser Receiver Sensor Module

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