Can I set this to silent, while still having the shaker function on? I don't want to disturb my neighbors, but need the shaker option. Thanks!

Yes! Use the shaker and flashing lights. The lights wake me up just before the shaker goes off. I'm so hard of hearing ( the reason I bought this ) that I don't hear the alarm, but everybody in the house does.

Will the shaker work effectively with a SleepNumber or other similar air mattress?

I bought this for my 16 year old son who sleeps 'like the dead'. I had SO much trouble getting him up for school and/or work. He actually doesn't put the 'shaker' part under his pillow or mattress....he lets it dangle down the nightstand. It causes suck a ruckus clanking and rattling against the night stand I can hear it from the other end of the house! It has worked for him 100%. He's up every morning, without fail. And he had a summer job that started at 7am......he wasn't late even once!

does it have two alarms?

Sadly, the one disappointment in this clock is that although there are two alarm options, they both have to be set to the same MODE. (To select the wake up mode, slide the “Alarm Mode Switch“ to your desired position: a) “BUZZ“ for sound b) “VIB“ for bed shaker c) “VIB/ BUZZ“ for both sound and bed shaker NOTE: once the wake up mode is chosen, this will apply to both alarms.) We feel that being able to have the vibrating as an initial wake up and a loud buzz as the second, would be very useful, but not possible on this model.

Is the vibrating disc connected to the clock unit? Assuming wired...but hoping wireless...

It is not wireless. Has thin wire so could be easily taped out of sight. It is pretty long too .

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Sonic Bomb Dual Extra Loud Alarm Clock with Bed Shaker, Black | Sonic Alert Vibrating Alarm Clock Heavy Sleepers, Battery Backup | Wake with a Shake

Product ID: 280919

Details

Brand
Sonic Alert
Color
Black & Red
Display Type
Digital
Indoor/Outdoor Usage
Indoor
Power Source
Corded
Product Dimensions
5.5"W x 5.5"H

⏰Adjustable alarm & snooze (1-59 min / 1-30 min)

🔊113dB extra loud alarm

🛏️Powerful bed shaker with 3 modes

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S$87

Duties & taxes included

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Sold byAmazon SINGAPOREDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

⏰ Wake Up Loud, Wake Up Proud!

NEVER MISS A BEAT - 113dB alarm blasts through any sleep, guaranteed wake-up.
SHAKE BUZZ OR BOTH - Choose from vibration, buzz, or combo modes for a personalized jolt.
CUSTOMIZE YOUR WAKE UP - Set alarm duration and snooze times to fit your routine.
TRUSTED WAKE UP PARTNER - Award-winning Sonic Alert tech with 40+ years of reliability.
DESIGNED FOR HEAVY SLEEPERS - Flashing red alert lights plus bed shaker ensure no more late mornings.

The Sonic Bomb Dual Extra Loud Alarm Clock delivers a powerful 113dB alarm combined with a robust bed shaker featuring three customizable modes. Its adjustable alarm duration and snooze settings provide tailored wake-up experiences, while flashing red alert lights ensure even the heaviest sleepers rise on time. Trusted globally for over 40 years, this award-winning clock is perfect for students and anyone who refuses to oversleep.

Specifications

ASIN	B000OOWZUK
Additional Features	Dual Time feature.
Alarm Clock	Yes
Batteries are Included	No
Best Sellers Rank	#5,037 in Home & Kitchen ( See Top 100 in Home & Kitchen ) #15 in Alarm Clocks
Brand Name	Sonic Alert
Clock Form	Travel
Color	Black & Red
Customer Reviews	4.5 4.5 out of 5 stars (36,888)
Dial Color	black
Display Type	Digital
Frame Material	Plastic
Included Components	Power Supply, Powerful Bed Shaker, User Guide
Indoor Outdoor Usage	Indoor
Item Dimensions W x H	5.5"W x 5.5"H
Item Type Name	Sonic Alert Sonic Bomb Alarm Clock With Super Shaker
Item Weight	0.6 Kilograms
Manufacturer	Sonic Alert
Manufacturer Part Number	SBB500SS
Manufacturer Warranty Description	1 year parts, 1 year labor.
Material Type	Plastic
Model Number	SBB500SS
Mounting Type	Flush
Number of Batteries	1 9V batteries required.
Number of Items	1
Operation Mode	Electrical
Power Source	Corded Electric
Room Type	Bedroom
Shape	Semicircular
Size	5.5 inches (W) x 5.5 inches (H) x 3 inches (D)
Smart Home Compatibility	Not Smart Home Compatible
Style Name	Classic
Theme	Wake Up Call
Unit Count	1.0 Count
Warranty Type	Extended
Watch Movement	Automatic

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TrustScore 4.5 | 7,300+ reviews

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