# Dahua Hy-Sa21a-W2 Wireless Smoke Alarm

GH₵ 350 · Lapaz

 Split-spectrum sensor technology
 Test and silence features in one single button
 Loud sound output over 85 dB(A) at 3 meters
 Low quiescent current consumption
 Surface-mount device (SMD) circuit board design
 Low battery warning signal

Category: Equipment & Tools / Safety-wear & Equipment

Seller: [Hikview Technologies Enterprise](https://trueseller.app/sellers/hikview-technologies-enterprise-07d52edc347abe8d57d7fb98)

[Listing](https://trueseller.app/marketplace/equipment-tools/safety-wear-equipment/dahua-hy-sa21a-w2-wireless-smoke-alarm-116cbe3c5ced1846854ecc88)