Sunan an-Nasa'i 880
سنن النسائي#880SahihIt was narrated from Malik bin Al-Huwairith- who was one of the companions of the Prophet (ﷺ)- that:When the Messenger of Allah (ﷺ) prayed he would raise his hands-when he said the Takbir- until they were parallel to his ears, and when he wanted to bow and when he raised his head from bowing
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Abu GhuddahSahih
Al-AlbaniSahih
Zubair Ali ZaiSahih Muslim
In-book reference: 11:5