Model Number: Z821 Fixed Time laser pointer Brand Name: Wowin Key Specifications/Special Features: 2.4G Fixed Time Wireless Laser Pointers with 2PCS AAA Batteries1. Function: laser pointer (red), 360 remote up/down pages, blank screen, features2. Remote distance: 10 meters3. 2.4G RF remote control technology4. Material: ABS.5. Battery: two AAA batteries, easy to replace.6. Wavelength: 650nm, power: less than 5mw7. The razor-shaped design, easy to carry.8. Size: 120X40X16mm9, Commonly used color as shown in picture.
10, No drive, plug and play, suitable for all systems.
11. Regularly reminded, press the timer button every time, timing will increase 5 minutes. It will have the timing reminder at 10, 5, 4, 3 minutes before speech the end
12, Each vibration reminder within one minutes