AX Pro wireless internal sounder (DS-PS1-I-WE(B) / Red) — indoor two-way wireless siren/strobe for AX Pro systems. Ideal as an accessory for wireless intruder alarm installations where audible and visual alarm signalling, tamper detection and remote configuration are required.

• 868 MHz Tri‑X two-way wireless with frequency hopping and AES‑128 RF encryption for secure signalling.
• Selectable alarm sounds (intrusion, panic, fire) and red/blue strobe LED for visual alert.
• Internal buzzer approx. 90–110 dB; configurable max sound duration (up to 900 s per activation).
• Front and rear tamper detection; remote configuration via AX Pro / Hik‑Connect app.
• Battery powered — 3 × CR123A (typical battery life ≈ 3 years under typical polling/trigger patterns).
• Compact PC+ABS housing for wall mounting; indoor use only.

Use cases: domestic and commercial intruder alarm installations as an internal audible/visual alert accessory. Suitable for installers and integrators deploying AX Pro wireless systems.

Compliance & safety: device references EN 50131 (Grade 2) in technical documentation. Always follow local regulations and installer guidance; install, commission and test by a qualified security installer. Keep firmware updated for best compatibility.