parameterWavelength: 505NM (green light, identical in colour to the golfing inexperienced light of a website company signal)Power:<100mWLight outlet beam diameter: about 3-4mm, no longer adjustable for focusInput: 220V to 12VThis product encompasses a 12V adapterMade with high-quality high-power laser tubes,High conversion efficiency. Not exceeding strength usage, using total blocksThe floor of the aluminum block is designed to deepen the warmth dissipation tooth and increase the touch field with air, effectively balancing the heat generated through the laser tubeUniformly warmth conduction to the outside and expend warmth into the air. Good power and safe performance PWM sign to regulate calories