The timer can be set anywhere from 1 second to 99 hours, 59 minutes, 59 seconds. The buttons can be operated with a single thumb. The LCD panel can be illuminated. The remote has a stylish and ergonomic design. This timer remote cord allows the camera shutter to be released from a distance and prevents the camera from shaking Two-stage release button: Halfway pressing for auto-focus, complete pressing for taking pictures. Power source: Two AAA-type batteries (2XAAA Batteries not included) Battery life: Approximately two months of continuous shooting with a delay of 5 min, an exposure time of 4 min 56 s, and an interval of 5 min. Compatible with: Canon (Replacement for RS-60E3) EOS Digital Rebel Digital Rebel (aka 300D) Rebel T1i (aka 500D) Rebel XT (aka 350D) Rebel XTi (aka 400D Rebel XS (aka 1000D & Kiss F) Rebel XSi (aka 450D & Kiss X2) EOS Kiss/New Kiss/Kiss 7/Kiss III Rebel 2000, Rebel G, Rebel G II, Rebel T1, Rebel T2, Rebel T2i ELAN 7, ELAN 7E, ELAN 7N, ELAN II, ELAN IIE, IX LITE PowerShot G10/G11 Pentax (Replacement for CS-205) K10D/K110D/K100D/K20D/K200D/KM *ist D/DS/DS2/DL/DL2/K10 MZ-6, MZ-L, ZX-L Hasselblad: H/H1/H2/H2D/H1D Contax: 645/Nl/Nx/N/N Digital/LA-50 Samsung: GX-20 GX-10 GX-1L GX-1 Specifications: Model: RS-60E3 Timer Remote Control Cord Length of cord: 91 cm (3 ft. approx.) Shutter release button: Dual Stage Button (halfway / complete) Functions: Delay / Self Timer (DELAY) BULB/Long Exposure (LONG) Interval Timer (INTVL) Exposure Count (N)