Zigbee 3.0 Door/Window Sensor, 2-Year Battery

A compact magnetic contact sensor on Zigbee 3.0 with a CR2032 cell rated for two years, tamper detection and OTA firmware updates. Works with the supplier's gateway or third-party hubs; branded packaging and app skin included. Key specifications — Protocol: Zigbee 3.0; Battery: CR2032, 2 years; Size: 42 × 22 × 12 mm; Features: Tamper, OTA. Pricing is tiered: US$3.20 per piece at the minimum order of 3,000 pieces, falling to US$2.82 from 15,000 pieces. Production lead time is 30 days after sample approval. Samples cost US$15.00 (credited against the first order) and ship in 8 days. Colours, materials, logos and packaging can be customised, and the factory supports OEM and ODM development from tech packs or samples. Packaging: Individually polybagged with hangtag or label, packed in 5-ply export cartons, palletised on request. Ships EXW / FOB / CIP from Hai Phong port (Lach Huyen / Dinh Vu). Sea freight (FCL/LCL) for bulk orders, air or courier for samples and urgent lots. Manufactured by Viet Smart Devices in Hanoi, Vietnam, a ODM manufacturer established in 2017 holding CE Marking and RoHS.