Buy Optostars Products online in United States

Optostars 80 Miles Range Leaf Metro TV Antenna (Black)

Specification: 1. Working Frequency : VHF(172-240Mhz) \ UHF(470-860Mhz) 2. VSWR : =1.5 3. Impedence : 75 O 4. LNA Gain : 25dB 5. Reception Range: 80 miles 6. Size:335*235*0.6mm,175g 7. Cable : 1.5C-2V / Black L=4M 8. Connectors : F Male 9. Polarization:Linear 10. Voltage : 5V 11. Power Supply Connector : USB 12. Current Consumption : 20mA 13. Operation Temperature : -45 ~ 85? 14. Storage Temperature : -45 ~ 85? 15. Compatible with 720p, 1080i, 1080p/ ATSC Pakaging: 1 x Antena 1 X Signal Amplifier 1 X RF Adapter 1X Manual

Desktop 3D Printer Aluminum Heated Bed Auto Feeding Auto-leveling 3D Printer with 3.5 Inch Touch Screen

Specification: Nozzle diameter: 0.2~0.4mm Printing accuracy: 0.1mm printing speed: 20~200mm/s(recommend 30~60mm/s) Layer thickness: 0.1-0.4mm Nozzle number: 1 Material diameter: 1.75mm Platform size: 300*300mm Molding size: 300*300*400mm(X*Y*Z) Nozzle temperature: 0~260? Heated bed temperature: Room temperature~100? Voltage: 110V rated power: 240W Size: 575*465*656mm Leveling: Auto + manual Control panel: 3.5 inch touch screen Screen language: Simplified Chinese, English Consumables: PLA, ABS Support file format: STL?OBJ?G-Code Printing platform: Aluminum base plate + PC sticker Wifi control: Not support Pause resume: Support Power off resume: Support Material lack detection: Support Double motor feeding system: Support Support slicing software: Repetier-Host Cura Operating system: Replacement for Windows7/Windows10/XP Printing method: Online/offline. Environmental requirements: Temperature: 5~40?, humidity: 20~50% Note There might be a bit color distortions due to different computer resolutions. There might be a slight errors due to different hand measurement. Package included: 1x 3D printer.

TV Antenna, Amplified HD Digital Indoor HDTV Antenna 200 Miles for Local Channel

Specification: 1. Working Frequency : VHF(172-240Mhz) \ UHF(470-860Mhz) 2. VSWR : =1.5 3. Impedence : 75 O 4. LNA Gain : 25dB 5. Reception Range: 80 miles 6. Size:335*235*0.6mm,175g 7. Cable : 1.5C-2V / Black L=4M 8. Connectors : F Male 9. Polarization:Linear 10. Voltage : 5V 11. Power Supply Connector : USB 12. Current Consumption : 20mA 13. Operation Temperature : -45 ~ 85? 14. Storage Temperature : -45 ~ 85? 15. Compatible with 720p, 1080i, 1080p/ ATSC Pakaging: 1 x Antena 1 X Signal Amplifier 1 X RF Adapter 1X Manual

Digital Indoor Tv Antenna - Full HDTV Smart Amplified Antennas, Crystal Clear 1080P 4K Support, Powerful Amplifier Signal Booster, 55-130 Miles Range, Free Channels

Specification: 1. Working Frequency : VHF(172-240Mhz) \ UHF(470-860Mhz) 2. VSWR : =1.5 3. Impedence : 75 O 4. LNA Gain : 25dB 5. Reception Range: 80 miles 6. Size:335*235*0.6mm,175g 7. Cable : 1.5C-2V / Black L=4M 8. Connectors : F Male 9. Polarization:Linear 10. Voltage : 5V 11. Power Supply Connector : USB 12. Current Consumption : 20mA 13. Operation Temperature : -45 ~ 85? 14. Storage Temperature : -45 ~ 85? 15. Compatible with 720p, 1080i, 1080p/ ATSC Pakaging: 1 x Antena 1 X Signal Amplifier 2 x Magic Stickers  1 X RF Adapter 1X Manual

Ergonomic Gaming Chair for Adults, High Back Racing Computer Gaming Chair with Lumbar Support, Headrest and Armrest

length(inches):33.07 Inch Width:25.59 Inch Height:12.6 Inch Weight:46.3 lbs

3.5 Inch Touch Screen 3D Printer Auto-leveling Pause Resume Printing Desktop with Crystal Glass Platform-Black

Description: The 3D printer is convenient to use, no need to assemble, can be used directly. Plug-and-play design, easy to connect with computer and designed with an open-source motherboard. The driver features low noise which can provide you a better user experience. The 3D printer is designed with a 3.5 inch touch screen, easy to read, convenient to operate. The 3D printer support simplified Chinese and English, dual language design, makes it can meet different people's needs. Specification: Nozzle diameter: 0.2~0.4mm. Printing accuracy: 0.1mm. Printing speed: 20~200mm/s.(recommend 30~60mm/s) Layer thickness: 0.1-0.4mm. Nozzle number:1 Material diameter: 1.75mm. Platform size: 205*205mm. Molding size: 200*200*200mm. Nozzle temperature: 0~260?. Heated bed temperature: Room temperature~110?. Voltage: 110V. Rated power: 240W. Size: 352*347*410mm. Leveling: Auto + manual. Control panel: 3.5 inch touch screen. Screen language: Simplified Chinese, English. Consumables: PLA, ABS. Support file format: STL?OBJ?G-Code. Printing platform: Aluminum base plate + crystal glass. Wifi control: Support. Pause resume: Support. Ower off resume: Support. Material lackage detection: Support. Double motor feeding system: Support. Support slicing software: Repetier-Host Cura. Operating system: Replacement for Windows7/Windows10/XP. Printing method: Online/offline. Environmental requirements: Temperature: 5~40?, humidity: 20~50%. Note:There might be a bit color distortions due to different computer resolutions.There might be a slight errors due to different hand measurement. Package included:1x 3D printer.