Only Compatible with IKOVWUK laser levels which feature Pulse Mode; Such as B1-12, B1-16, D1-8, D1-12, etc Working range up to 200 ft with Pulse Mode Accuracy & Volume Adjustable Dual-side LCD display Heavy-duty quick release clamp included Working with 9V dry battery (include 1 battery) laser detector / laser receiver / 200 ft working range / accuracy adjustable / volume adjustable / Dual-side LCD display Laser Class: CLASS Ⅱ, <1mW