Reddit mentions of CDN TM30 Direct Entry 2-Alarm Timer-Alarm Sounds or Vibrates - 1 count

This is by far the most common timer on the national college circuit for parli. https://www.amazon.com/CDN-TM30-2-Alarm-Timer-Alarm-Vibrates/dp/B004S0SO9M/ref=sr_1_1?ie=UTF8&qid=1526317216&sr=8-1&keywords=cdn+direct+entry+2-alarm+timer

I personally like this one: https://www.amazon.com/CDN-TM30-2-Alarm-Timer-Alarm-Vibrates/dp/B004S0SO9M/ref=sr_1_27?s=home-garden&ie=UTF8&qid=1537932549&sr=1-27&keywords=timer

best timer for debate imo https://www.amazon.com/CDN-TM30-2-Alarm-Timer-Alarm-Vibrates/dp/B004S0SO9M

you can definitely use your phone as a timer in most events, although there are other timers available if you want to clout chase (although, i hear that using phones instead of timers is the hot new thing in pf, so be wary). Because the classic 12 button timer that most camps/tournaments gave out has been discontinued, there is really only one option left for good, durable and effective timers:

https://www.amazon.com/CDN-TM30-2-Alarm-Timer-Alarm-Vibrates/dp/B004S0SO9M/ref=sr_1_3?ie=UTF8&qid=1538057146&sr=8-3&keywords=debate+timer

as for stands, get one. once again, clout chasing, but also they are pretty useful. obviously an investment, but it was definitely worth it (i've had mine for just short of 5 years, still works)

https://www.amazon.com/Tabletote-Portable-Lightweight-Adjustable-Notebook/dp/B005IXSXPI/ref=sr_1_1?ie=UTF8&qid=1538057268&sr=8-1&keywords=debate+stand

It's not as good as the original Radioshack timer (rip in peace) but it's pretty close: CDN TM30 Direct Entry 2-Alarm Timer-Alarm Sounds or Vibrates - 1 count https://www.amazon.com/dp/B004S0SO9M/ref=cm_sw_r_cp_api_i_71M3CbQNT03T5

I've used this for years and it's great. Has a silenced and non silenced timer, counts up and down, has a stand so you can set down the timer, and let's you put in the specific time you have remaining (useful for prep time).

Here is the mobile version of your link

This is the best timer imo bc its really easy to use - https://www.amazon.com/CDN-TM30-2-Alarm-Timer-Alarm-Vibrates/dp/B004S0SO9M/ref=sr_1_fkmr0_1?s=kitchen&ie=UTF8&qid=1467555687&sr=1-1-fkmr0&keywords=Component+Design+Northwest+model+tm30

This is the table tote that i use, its pretty easy to setup and its lightweight - https://www.amazon.com/Tabletote-Portable-Lightweight-Adjustable-Notebook/dp/B0001EMA80/ref=sr_1_2?ie=UTF8&qid=1467555701&sr=8-2&keywords=table+tote

I personally use this one because I can set it to alarm or vibrate:
https://www.amazon.com/CDN-TM30-2-Alarm-Timer-Alarm-Vibrates/dp/B004S0SO9M/ref=mp_s_a_1_5?keywords=cdn+timer&qid=1566922418&s=gateway&sr=8-5

Brand doesn't actually matter that much, but make sure to get one that has numbered buttons so that you dont have to press your three buttons a million times before each speech/cx.