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# Redis Pttl Command [!(#) Redis key](#) Redis Pttl command returns the remaining expiration time of the key in milliseconds. ### Syntax Basic syntax of redis Pttl command is as follows: redis 127.0.0.1:6379> PTTL KEY_NAME ### Available Version >= 2.6.0 ### Return Value When the key does not exist, return -2. When the key exists but no remaining survival time is set, return -1. Otherwise, return the remaining survival time of the key in milliseconds. **Note:** Before Redis 2.8, when the key did not exist, or when the key had no remaining survival time set, the command returned -1. ### Example # Non-existent key redis> FLUSHDB OK redis> PTTL key (integer) -2 # Key exists, but no remaining survival time is set redis> SET key value OK redis> PTTL key (integer) -1 # Key with remaining survival time redis> PEXPIRE key 10086 (integer) 1 redis> PTTL key (integer) 6179 [!(#) Redis key](#)