Features 1、50 groups of incoming calls numbers and time records(8 bit) and 15 groups of outgoing calls numbers and time records(8 bit). 2、R key function, 10 groups of single key memory function, easy to operate. 3、Three groups of alarm clock function, flashing time 1000/600/300/180/120/100/95/90ms are optional. 4、There are 16 ringtones to choose from and four gears of ringtone volume can be adjusted. 5、There is 1 set of 32‑bit manual IP. 6、Made of high quality ABS material and is durable. Specification Condition: 100% Brand New Item Type: Telephone Material: ABS Color: Black Product Fuction: 50 groups of incoming calls numbers and time records(8 bit) 15 groups of outgoing calls numbers and time records(8 bit) 10 sets of double key dialing 3 sets of alarm clock function Flash time 1000/600/300/180/120/100/95/90ms are optional 16 kinds of melodious ringtones are optional The volume of the ringtones can be adjusted in range of 4 gears R key function 1 set of 32-bit manual IP Package List 1 x Base 1 x Handset 1 x Telephone Wire 1 x Handset Cord