MJ_XS-SSA01 appears to be a compact wireless door/window contact sensor intended for security and automation. It is typically mounted with adhesive and reports open/close events.
Overview
My Implementation
Not currently deployed; evaluating fit for this setup.
Based on available documentation and product lineage.
Overall
★★★☆☆
Solid option when matched to the right use case.
★★★★★ Exceptional | ★★★★☆ Very Good | ★★★☆☆ Good Enough | ★★☆☆☆ Frustrating | ★☆☆☆☆ Avoid
Features
Wireless door/window contact sensor
Compact form factor
Adhesive mounting
Battery-powered
Suitable for security automations
Specifications
Protocol
Wireless (see product listing)
Hub Required
Varies by protocol
Power
Coin cell
Cloud Dependency
Device dependent
HA Integration
Depends on protocol (Zigbee/RF)
Voice Control
Via Home Assistant
Dimensions
Mini sensor
Warranty
See vendor
Home Assistant Integration
Integration Method: Depends on protocol
Requirements: Compatible hub or gateway
Entities: Binary sensor
Setup: Pair with compatible hub
Notes: Confirm protocol before purchase
Practical Considerations
Check sensor protocol before integration
Use on doors, windows, or cabinets
Replace batteries periodically
References
Official: Not Found
Comparison And Shopping
MJ | MJ_XS-SSA01 Alternatives compares this device to the top three live alternatives and records the latest Amazon and Alibaba checks captured during the comparison run.
