Accessory
![WL Bell](https://westerstrand.se/uploads/WL-Bell-270x300.png)
WL Bell
Intelligent speaker for break signal systems in schools and industries.
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![](https://westerstrand.se/uploads/2018/11/extern-gangreserv-300x263.jpg)
Running reserve 2 Ah
Designed to keep master clocks or impulse amplifiers running during e.g. power failures.
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![](https://westerstrand.se/uploads/wdp-y2-ENG-300x251.jpg)
WDP-AMP
For amplifying impulses or time code from the central clock.
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![](https://westerstrand.se/uploads/2018/12/expansionsenhet-300x232.jpg)
Expansion unit
Expansion unit for increasing the number of relay outputs; here 8 relay outputs.
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![](https://westerstrand.se/uploads/2018/11/ringklocka-254x300.jpg)
Break bell
For break and alarm signals.
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![](https://westerstrand.se/uploads/wireless-sandare-222x300.jpg)
Radio transmitter
Connects to any master clock for wireless time transmission.
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![](https://westerstrand.se/uploads/wireless-sandare-222x300.jpg)
Repeater
Used to extend the range of the transmitted time message.
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![](https://westerstrand.se/uploads/signalmottagare-gnss-300x200.jpg)
GNSS receiver
Used for receiving time-coded signal from up to three GNSS navigation systems at the same time.
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