do the call buttons indicated when the battery is getting low? so you know when you need to change the batteries?

Dear Customer, Thank you for your question. When the battery of the call button is in a low battery state, there will be no flashing indicator light prompt. When the button is dead, you need to replace the battery according to the accompanying battery replacement instructions. Hope my answer can help you. Have a nice day.

Can this be installed outdoors?

Dear Customer, Thank you for your question. This Strobe Siren Alarm needs to be connected to the power source. And it uses the rechargeable battery. When the power goes out suddenly, if the Emergency Strobe Siren Alarm is fully charged, it can last for about four hours in the standby state of the product.If you have a power supply that can be connected outdoors, you can use it outdoors. Hope my answer can help you. Have a nice day!

Could I set up 12 alarms and 12 buttons? So that any 1 button would activate all 12 alarms?

Dear Customer, Yes, it is ok to set up 12 alarms and 12 buttons. The emergency strobe siren alarm can max be paired with 20pcs button pagers. After you successfully connect 12 call buttons to 12 emergency strobe siren alarms (Each button needs to be registered with 12 alarms once), when you press one of the buttons, all alarms will be activated. Hope my answer can help you. Have a nice day!

Where do you get replacement rechargeable batteries for the main unit?

Dear Customer, Thank you for your question. The rechargeable battery is included in the siren and you don't need to buy batteries separately. Hope my answer can help you. Have a nice day!

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SINGCALL Waterproof Touchable Pager with Cancel Key APE520C | Panic Alarm System, Service Calling System for Restaurant/Cafe/Fitness Center, Call Waiter Nurse Staff , Can't Be Used Alone

Product ID: 24635125

Details

Brand
SINGCALL
Color
White
Compatible Devices
Wireless Wrist
Number of Batteries
1 CR2
Voltage
12 volts

💧360° waterproof design

📏3.39x3.39in compact size

🔘2in diameter oversized button

₨11845

Duties & taxes included

In stock

Sold byAmazon Sri LankaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🔔 Stay connected, stay in control — call with confidence!

MESS FREE LOGIN SYSTEM - Smooth, stable pairing eliminates code confusion and downtime
BATTERY SWAP MADE SIMPLE - Screwless base design for quick, no-fuss battery changes
STABLE SIGNAL LONG REACH - Reliable connection up to 200 feet ensures no missed calls
EFFORTLESS TOUCH ACTIVATION - Super-sensitive 2-inch button for instant, hassle-free calls
ALL AROUND WATERPROOF DURABILITY - 360-degree water-resistant build keeps it reliable in any environment

The SINGCALL APE520C is a compact, waterproof touch pager featuring a large 2-inch button for easy activation. Designed for service environments like restaurants and fitness centers, it offers a stable 200-foot wireless range, a screwless battery compartment for quick maintenance, and a reliable, mess-free login system to ensure seamless communication between staff and customers.

Specifications

ASIN	B017YQMHYY
Audible Noise	120 db
Best Sellers Rank	#462,480 in Office Products ( See Top 100 in Office Products ) #382 in Pagers
Brand	SINGCALL
Color	White
Compatible Devices	Wireless Wrist Receiver, Fixed Host
Control Method	Touch
Customer Reviews	4.1 out of 5 stars 12 Reviews
External Testing Certification	Não Aplicável
Item Dimensions L x W x H	3.39"L x 3.39"W x 0.69"H
Item Highlight	Panic Alarm System, Service Calling System for Restaurant/Cafe/Fitness Center, Call Waiter Nurse Staff , Can't Be Used Alone
Item Weight	0.09 kg
Manufacturer	EASTWAY INTERNATIONAL (HK) LIMITED
Maximum Range	200 feet
Mfr Part Number	520C
Model Number	520C
Mounting Type	Tabletop Mount
Number of Batteries	1 CR2 batteries required.
Number of Items	1
Product Dimensions	3.39"L x 3.39"W x 0.69"H
Size	1 Call Button
Voltage	12 volts

Reviews

T**R

Poor instructions.

I works but not great. The instructions are terrible.

25.05.2026

M**O

El botón de pánico no permite cancelar la alarma lo acabo de recibir

El botón de pánico no le sirve CANCELAR la alarma

31.03.2026

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₨11845

Duties & taxes included

In stock

Sold byAmazon Sri LankaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Sri Lanka.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Abdullah B.

Great price for an authentic product. Fast international shipping too!

3 weeks ago

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Perfect platform for hard-to-find items. Delivery was prompt.

1 month ago

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