How long can door security alarm be used?

Our door security alarm can be used for a longer time compared to other similar products in the marketplace. Processed by the special technicians and innovative technologies, the quality of the product can be well ensured. During the guarantee period, you could even contact our staff who would love to answer any queries for you at any moment.

Shenzhen Unigreat technology co., LTD. ranks first in the wireless door alarm sensor field of the whole country. According to the material, Unigreat's products are divided into several categories, and 200 questions is one of them. The quality of this product can be guaranteed through detection from our QC team. The product is energy keeping. Buyers of this product said using it didn't add much electricity bill cost monthly.

Unigreat is highly reliable among customers at home and abroad for our superior smart light switch. Check it!