
Hikvision Wireless Internal Sounder | DS-PS1-I-WB
The Hikvision DS-PS1-I-WB is a wireless indoor sounder for Hikvision 433 MHz wireless alarm systems. It gives a 90 to 110 dB alarm with a blue/red LED flash, talks to the panel over two-way 433 MHz wireless with AES-128 encryption, and reaches up to 900 m in an open area. It is battery powered with a battery life of up to 3 years.
Key Features
Three Alarm Sounds: The sounder has separate sounds for fire, panic and intrusion alarms, so people in the building can tell what kind of event is happening. The buzzer level is 90 to 110 dB.

Configurable Arming Prompts: The arming/disarming prompt sound and the LED indicator are configurable. You can choose how the sounder reacts when the system is armed or disarmed.
Secure, Jam-Resistant Wireless: Two-way 433 MHz wireless with AES-128 encryption and frequency hopping against jamming keeps the link to the panel reliable. The range is up to 900 m in an open area.

Long Battery Life: Battery life is up to 3 years, rated with the sounder triggered every two weeks and alerting for 90 seconds each time. No mains wiring is needed at the mounting point.
Tamper Protection and Easy Setup: The front and rear panels are tamper-proof. The sounder is fully configurable remotely through the app and supports several enrollment methods.
Who it's for / Works with
Hikvision AX PRO 433 MHz wireless alarm systems (control panel sold separately).
Good to know
- The 3-year battery life is rated at one trigger every two weeks with 90 s of alerting; more frequent alarms shorten it.
- For indoor installation.
Technical Specifications
| Model | DS-PS1-I-WB |
| RF frequency | 433 MHz, two-way |
| RF modulation | 2GFSK |
| RF range | 900 m (open area) |
| Encryption | AES-128 |
| Frequency hopping | Supported |
| Alarm sounds | Fire, panic, intrusion |
| Buzzer level | 90 to 110 dB |
| LED | Blue/red LED flash |
| Tamper protection | Front and rear panel |
| Battery life | Up to 3 years (standby time) |
| Operating temperature | -10 °C to 55 °C |
| Operating humidity | 10% to 90% (non-condensing) |
| Shell material | PC+ABS |
| Dimensions (W x H x D) | 88 x 88 x 32 mm |
| Weight | 169.5 g |
📄 Datasheet: Download the official Hikvision DS-PS1-I-WB datasheet (PDF)
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