I dissasembled and tested the Heiman Zigbee Siren HS2WD-E, this is my review : r/homeassistant

Can we have 'bad zigbee devices/do not buy' list? : r/homeassistant

Heiman HS2WD-E siren - no switch in Home Assistant · Issue #13986

Heiman HS2WD-E siren - no switch in Home Assistant · Issue #13986

HEIMAN HS2WD-E Siren does not expose warning state · Issue #549

Heiman HS2WD-E siren not really compatible ? · Issue #14424

Smart Wireless Siren_PRODUCT_Shenzhen Heiman Technology Co., Ltd._

Heiman HS2WD-E siren not really compatible ? · Issue #14424

Issues setting up Siren (Heiman HS2WD-E) with zigbee2mqtt - Zigbee

A smoke sensor you can trust: Heiman ZigBee Smoke Sensor and Alarm

Heiman Remote Dimmer With Color Temperature Control HS2WDSC-E

Heiman Carbon Monoxide Sensor model HS1CA-E Disassembly & Review

A smoke sensor you can trust: Heiman ZigBee Smoke Sensor and Alarm