SHENZHEN Kingvigo Technology Developement Co., LTD is honeywell's Authorized Business Partner.HIH-4000-003 is original and new stock .If you have any question for clarification. Please feel free to email 2102772287@qq.com us or cell +8675582561498,+8613691878184 for any technical assistance.Normally we ship through Courier Service From China (DHL, TNT, UPS). Postal service with tracing number take about 7  to 30 days to deliver any where in the world.