Using a keystroke logger is the most common way to catch a cheating husband or wife. Keystroke loggers such as KeyShark, KeyKatcher and KeyLama record every every button pushed by the keyboard over 1,000,000 pages worth, the equivalent of many years.

Even professionals such as police and government officials often use keylogger devices to track suspects.

Keyboard KeyStroke Logger

Keyshark Keystroke logger (PS2) See details SKU: PE-KS2 Keyshark Key Logger plugs in between your keyboard and computer and records all keystrokes including passwords and special characters. All information is memorized on the internal 2MB keystroke logger memory. Store up to 1 Year of data on this PS2 Key Logger! Market price: $199.99 Our price: $129.99 save 35% Quantity   1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17  Buy Now  KeyLlama 2MB PS/2 KeyLogger See details SKU: KL-PS2-2MB An advanced PS/2 hardware key logger, with 2 Megabytes of internal flash memory. Text menu provides many options for analyzing recorded data. Unique USB Download Accelerator is included for super-fast data retrieval. Absolutely undetectable by software. No software or drivers are required. Suppor... Market price: $118.88 Our price: $83.99 save 29%  Buy Now  KeyLlama 2MB USB Hardware Keylogger See details SKU: KL-USB-2MB Featuring 2 MB of memory, KeyLlama 2MB holds 1000 pages of text and is specially made to our own specifications. Small, lots of storage and inexpensive for a USB KeyLogger. Unlike some models that look similar, these work with Both Macs and PCs with either full-speed or low-speed USB Keyboards. <... Market price: $139.99 Our price: $115.99 save 17% Quantity   1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19  Buy Now  KeyLlama 512MB PS/2 KeyLogger See details SKU: KL-PS2-512MB An advanced PS/2 hardware key logger, with 512 Megabytes of internal flash memory. Text menu provides many options for analyzing recorded data. Unique USB Download Accelerator is included for super-fast data retrieval. Absolutely undetectable by software. No software or drivers are required. Supp... Market price: $149.99 Our price: $106.99 save 29%  Buy Now  KeyLlama 512MB USB Hardware Keylogger See details SKU: KL-USB-512MB Featuring 512 MB of memory! KeyLlama 512MB holds a lifetime (256,000 pages!) of text and can be used to transfer applications and other files to and from the monitored computer. This is the smallest hardware keylogger in the world, yet it holds 64x more data than any competing product! Amazingly,... Market price: $187.99 Our price: $149.99 save 20% Quantity   1 2 3 4 5 6 7 8 9 10  Buy Now  KeyLlama 2 Gigabyte PS/2 KeyLogger See details SKU: KL-PS2-2GB An advanced PS/2 hardware key logger, with 2 Gigabytes of internal flash memory. Text menu provides many options for analyzing recorded data. Unique USB Download Accelerator is included for super-fast data retrieval. Absolutely undetectable by software. No software or drivers are required. Suppor... Market price: $199.99 Our price: $145.99 save 27%  Buy Now  KeyLlama 2 Gigabyte USB Hardware Keylogger See details SKU: KL-USB-2GB Featuring 2 Gigabytes of memory! KeyLlama 2GB holds several lifetimes (1,000,000 pages!) of text and can be used to transfer applications and other files to and from the monitored computer. This is the smallest hardware keylogger in the world, yet it holds 256 times more data than ANY competing p... Market price: $229.99 Our price: $195.99 save 15% Quantity   1 2 3 4 5 6 7 8 9 10  Buy Now  EBLASTER 6.0 (CD + Download) See details SKU: SS-EB001CD NEW eBlaster 6.0 - See EVERYTHING your children or employees do on the computer from ANYWHERE in the world with eBlaster 6.0. Lowest price anywhere! The eBlaster 6.0 is used by parents, employers and investigators. Market price: $99.95 Our price: $89.95 save 10% Quantity   1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50  Buy Now  KeyStroke Logger USB See details SKU: PE-KL/USB The all new KeyLogger Flash USB is an advanced USB hardware keylogger with a huge 2MB internal flash memory, organized as a file system. All text data typed on the USB keyboard will be captured and stored on the internal flash drive as a special file. Market price: $239.99 Our price: $189.99 save 21% Quantity   1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20  Buy Now