eBay

Selling the pictured Keyence LV-N12N Multi-Purpose Digital Laser Sensors (LV-N Series). This listing includes Two (2) LV-N12N Laser Sensors.

This is what the manufacturer says about this product:

The LV-N Series features long range with a visible beam spot. The laser head lineup includes both spot and area types along with reflective, retro-reflective, and thru-beam models. The amplifier offers simple setup, straightforward operation, and easy to understand display. Network compatibility is also available with the LV-N Series.

Features:

Amplifier, Cables, and Units
Long Range & Visible Beam Spot Precision Detection and Easy to Operate
Output NPN
2 Meters
Simplified 1-Touch Teach: Complete set up with just one click. This feature sets the bar when it comes to quick set up.
Flexible Use: The LV-N Series includes several features that help customize the sensor to any application. Whether focusing the laser to a tight spot or utilizing area mode detection, these sensors can be tailored to any application.
2 Output
Compatible With Multiple Open Field Networks (CC-Link, DeviceNet™, EtherNet/IP™, EtherCAT). These units enable the NEO Series sensors to be installed and used on the same network as a variety of devices from other manufacturers.
Weight: 65g

Basic Specs:

Model		LV-N12N
Type		2 output
Output		NPN
Cable/connector		Cable
Main/Expansion unit		Expansion unit
I/O	Control outputs	2 output
	External input	1 input
	Monitor output	None
Output selection		LIGHT-ON/DARK-ON (switch-selectable)
Timer function		Timer OFF/OFF-delay timer/ON-delay timer/One-shot timer, Timer duration selectable: 1 ms to 9,999 ms, Maximum error against the setting value: ±10% max.
Control outputs		NPN open collector 30 V, Residual voltage 1 V or less (Output current: 10 mA or less) / 2 V or less (Output current: 10 to 100 mA) (Stand-alone) 1 output max: 100 mA or less, 2 output total: 100 mA or less (Multiple connections) 1 output max: 20 mA or less
Response time		80 µs (HIGH SPEED)/250 µs (FINE)/500 µs (TURBO)/1 ms (SUPER)/4 ms (ULTRA)/16 ms (MEGA) *1
Monitor output		--------
External input		Input time 2 ms (ON)/20 ms (OFF) or more*2
Number of interference prevention units		Connected to other than LV-S31: 0 for HIGH SPEED; 2 for FINE/TURBO/SUPER; 4 for ULTRA/MEGA, Connected to LV-S31: 2 for FINE; 4 for TURBO/SUPER/ULTRA/MEGA*3
Case size		H 32.6 mm 1.28" × W 9.8 mm 0.39" × L 78.7 mm 3.1"
Unit expansion		Up to 17 units can be connected in total (two-output type is treated as two units)
Protection circuit		Reverse polarity protection, Over-current protection, Surge absorber
Rating	Power voltage	24 VDC (operating voltage 10 to 30 VDC (with ripple)), Ripple (P-P) 10 % or less, Class 2 or LPS45
	Power consumption	Normal: 830 mW or less (at 30 V. 30 mA at 24 V, 56 mA or less at 12 V)6 Eco on mode: 710 mW or less (at 30 V. 26 mA at 24 V, 48 mA or less at 12 V)6 Eco Full mode: 550 mW or less (at 30 V. 21 mA at 24 V, 40 mA or less at 12 V) *7