Size 155 * 26 * 22mm flip type wireless laser pointer 
 Material Plastic Color Black / Silver 






 Features 
 British Dakai (INDACOL) YD-890 wireless laser pointer with RF wireless technology page, the product design using non-directional one easy to carry a laser down AAA batteries page 
 1. Basic Description 
 YD-890 flip laser pointer from the transmitter and the USB receiver is composed of two parts, with one design, laser remote pen and receiver cleverly combined for easy carrying. Products are light weight, small size, feel comfort. 

 USB USB receiver is the use of computer technology, plug and play installation does not require any drivers. 

 Transmitter embedded laser pointer, laser button, on the flip key, Page Down key three function keys, is with the PC or laptop computer, for use with projectors are widely used in product demonstrations, electronic teaching, multimedia player control and academic meetings occasions ideal demonstration tools. 

 Integrated Laser RF remote document using radio technology, the control distance of up to 10 meters (Note: The actual effective distance with the use of different environments to increase or decrease), the use of any direction without limitation, penetrate non-metallic barrier, so you can flexible and comfortable to achieve freedom of the electronic document page and the free demo. 

 2. Function: 
 Laser pointer, flip function. Can be built-in USB (Note: The built-in USB is optional and can be built 2G \ 4G) 

 3. For the operating system 
 For all Windows operating systems (Windows98 / 2000 / 2003 / XP / Vista, Windows 98 only need to install the generic USB drive you can), Linux, Unix, MAC OS, support USB Plug and Play. 

 4. For people and places 
 A) teachers, professional lecturers, business people used for computer presentations. Computer and projector for teaching with, demonstrations, lectures, conferences, and supporting the use of computers and projectors all other occasions. 
 B) remote control computer needs of the occasion. 

 5. Key performance indicators 

 Transmitter 

 Remote control technology RF 2.4GHz 
 Control distance 10 meters 
 Laser range > 200 米 
 一 AAA batteries (AAA) batteries 
 Operating voltage 1.5V 
 Laser wavelength 650nm 
 < 1mW of laser power or < 5mW (optional) 
 Product Size 155 * 26 * 22mm 
 Weight 20g (without batteries) 

 USB Receiver 

 Operating system Windows 98, Se, Me, 2000, XP, Vista, MAC OS, Linux 
 Compatible interface, USB1.1, USB2.0 
 USB bus-powered operating voltage (4.5-5.5V) 
 Size 65 * 20 * 11mm 
 Weight 5g 
 U disk receiver can be integrated 1G, 2G, 4G U disk 

 6. Operation Tips 
 A) Please do not put the battery upside down. 
 B) Do not run out or damaged battery in the product inside. 
 C) long-term do not use this product, please remove the battery. 
 D) When the product non-functional or remote control to shorten the distance, replace the new battery. 
 E) the receiver will be receiving from the interference of electronic devices around the reduced distance, please use as much as possible away from other electronic devices, especially wireless device (USB wireless network card, etc.). 

 7. Frequently Asked Questions 
 If the laser remote control to shorten the distance the pen or intermittent stop working, how can I do? 
 A) close the other close to the laser remote pen USB receiver electronics, especially wireless device (USB wireless network card, etc.). 
 B) reduce the use of USB extension cable between receiver and transmitter distance. 
 C) determine the transmitter and receiver within 10 meters distance. 
 D) Replace the batteries. Low battery, the remote distance will be shortened. 
 If the product does not operate remote computer, how can I do? 
 A) Make sure the batteries are installed correctly. By opening the laser feature, you can check the battery is installed correctly. 
 B) Check the USB Receiver is securely connected to the computer's USB connection port. 
 C) confirm that the battery is run out. Battery power is low, the remote control will shorten the distance, and even loss of remote control. 
 If above does not solve the problem, contact your local dealer. 

 8. Safety Tips 
 A) laser harmful to the eyes, do not point the laser groups, non-laser direct others eyes. 
 B) to avoid the laser point to a mirror or other highly reflective properties of the object surface. 
 C) Do not use products to children to play. 
 D) Do not look directly with the naked eye or using binoculars and other equipment to observe the laser line on the remote control. 
 E) need to disassemble, adjust or repair, your professional job. 
 F) The product in the second category of laser products. 

 Reminder: Please put the used battery scrap battery recycling bins or exclusively to government departments, not to be thrown away pollute the environment!