Model Number: Red light Laser pointers-V71K Brand Name: J, J-jiaxing, Earbuds Key Specifications/Special Features: Output power: 5, 10, 20, 30, 50, 80, 100, 120 and 150mWIdeal for teaching, meeting and speechWith LEDSuitable for promotional giftsFiring range: 500 to 6,000mBattery: two pieces AG13Material: solid brassCE-standard and RoHS Directive-compliantCustomized outside colors and logo printings are welcomePacking: one piece/box